Endpoint to query group characteristica

The endpoint gives access to characteristica information for groups.

GET /api/v1/pkdata/groups/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "current_page": 1,
    "last_page": 907,
    "next_page_url": "https://pk-db.com/api/v1/pkdata/groups/?format=api&page=2",
    "prev_page_url": null,
    "data": {
        "count": 18133,
        "data": [
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 8,
                "count": 13,
                "measurement_type": "species",
                "calculation_type": "sample mean",
                "choice": "homo sapiens",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 9,
                "count": 3,
                "measurement_type": "healthy",
                "calculation_type": "sample mean",
                "choice": "Y",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 10,
                "count": 10,
                "measurement_type": "healthy",
                "calculation_type": "sample mean",
                "choice": "N",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 11,
                "count": 13,
                "measurement_type": "overnight fast",
                "calculation_type": "sample mean",
                "choice": "Y",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 12,
                "count": 10,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "M",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 13,
                "count": 10,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "F",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 1,
                "group_name": "all",
                "group_count": 13,
                "group_parent_pk": null,
                "characteristica_pk": 14,
                "count": 3,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "NR",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 19,
                "count": 5,
                "measurement_type": "healthy",
                "calculation_type": "sample mean",
                "choice": "N",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 20,
                "count": 5,
                "measurement_type": "disease",
                "calculation_type": "sample mean",
                "choice": "anephric",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 21,
                "count": 1,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "M",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 22,
                "count": 4,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "F",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 8,
                "count": 13,
                "measurement_type": "species",
                "calculation_type": "sample mean",
                "choice": "homo sapiens",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 2,
                "group_name": "surgically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 11,
                "count": 13,
                "measurement_type": "overnight fast",
                "calculation_type": "sample mean",
                "choice": "Y",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 8,
                "count": 13,
                "measurement_type": "species",
                "calculation_type": "sample mean",
                "choice": "homo sapiens",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 27,
                "count": 5,
                "measurement_type": "healthy",
                "calculation_type": "sample mean",
                "choice": "N",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 11,
                "count": 13,
                "measurement_type": "overnight fast",
                "calculation_type": "sample mean",
                "choice": "Y",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 28,
                "count": 5,
                "measurement_type": "disease",
                "calculation_type": "sample mean",
                "choice": "anephric",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 29,
                "count": 4,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "M",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 3,
                "group_name": "physiologically anephric patients",
                "group_count": 5,
                "group_parent_pk": 1,
                "characteristica_pk": 30,
                "count": 1,
                "measurement_type": "sex",
                "calculation_type": "sample mean",
                "choice": "F",
                "substance": null,
                "value": null,
                "mean": null,
                "median": null,
                "min": null,
                "max": null,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": null
            },
            {
                "study_sid": "PKDB00213",
                "study_name": "Lowenthal1976",
                "group_pk": 4,
                "group_name": "control",
                "group_count": 3,
                "group_parent_pk": 1,
                "characteristica_pk": 35,
                "count": 3,
                "measurement_type": "age",
                "calculation_type": "sample mean",
                "choice": null,
                "substance": null,
                "value": null,
                "mean": 33.3,
                "median": null,
                "min": 32.0,
                "max": 35.0,
                "sd": null,
                "se": null,
                "cv": null,
                "unit": "year"
            }
        ]
    }
}