Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD9(6611B) Secondary uterine inertia 947
INPAT INPAT_ICD10(O621) Secondary uterine inertia 632
INPAT INPAT_ICD9(6610B) Primary uterine inertia 474
INPAT INPAT_ICD10(O620) Primary inadequate contractions 402
INPAT INPAT_ICD10(O622) Other uterine inertia 220
INPAT INPAT_ICD10(O623) Precipitate labour 124
INPAT INPAT_ICD9(6612B) Other and unspecified uterine inertia 67
INPAT INPAT_ICD10(O629) Abnormality of forces of labour, unspecified 39
INPAT INPAT_ICD9(6619X) Unspecified abnormality of labor 39
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
INPAT INPAT_ICD9(6613B) Precipitate labor 24
OUTPAT OUTPAT_ICD10(O621) Secondary uterine inertia 24
INPAT INPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O62) Abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
OUTPAT OUTPAT_ICD10(O620) Primary inadequate contractions 14
INPAT INPAT_ICD10(O628) Other abnormalities of forces of labour 13
OUTPAT OUTPAT_ICD10(O623) Precipitate labour 11
OUTPAT OUTPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O622) Other uterine inertia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O629) Abnormality of forces of labour, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
OUTPAT OUTPAT_ICD10(O622) Other uterine inertia 5