Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD9(6611B) Secondary uterine inertia 1378
INPAT INPAT_ICD10(O621) Secondary uterine inertia 976
INPAT INPAT_ICD9(6610B) Primary uterine inertia 682
INPAT INPAT_ICD10(O620) Primary inadequate contractions 644
INPAT INPAT_ICD10(O622) Other uterine inertia 390
INPAT INPAT_ICD10(O623) Precipitate labour 209
INPAT INPAT_ICD9(6612B) Other and unspecified uterine inertia 84
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 62
INPAT INPAT_ICD10(O629) Abnormality of forces of labour, unspecified 55
INPAT INPAT_ICD9(6619X) Unspecified abnormality of labor 53
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O62) Abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 50
OUTPAT OUTPAT_ICD10(O621) Secondary uterine inertia 41
INPAT INPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 37
INPAT INPAT_ICD9(6613B) Precipitate labor 34
OUTPAT OUTPAT_ICD10(O623) Precipitate labour 24
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O629) Abnormality of forces of labour, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24
INPAT INPAT_ICD10(O628) Other abnormalities of forces of labour 23
OUTPAT OUTPAT_ICD10(O620) Primary inadequate contractions 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O622) Other uterine inertia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 17
OUTPAT OUTPAT_ICD10(O622) Other uterine inertia 16
OUTPAT OUTPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 14
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O628) Other abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
INPAT INPAT_ICD9(6614B) Hypertonic, incoordinate, or prolonged uterine contractions 5
OUTPAT OUTPAT_ICD10(O628) Other abnormalities of forces of labour 5