Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD9(6611B) Secondary uterine inertia 1142
INPAT INPAT_ICD10(O621) Secondary uterine inertia 789
INPAT INPAT_ICD9(6610B) Primary uterine inertia 569
INPAT INPAT_ICD10(O620) Primary inadequate contractions 523
INPAT INPAT_ICD10(O622) Other uterine inertia 298
INPAT INPAT_ICD10(O623) Precipitate labour 166
INPAT INPAT_ICD9(6612B) Other and unspecified uterine inertia 74
INPAT INPAT_ICD9(6619X) Unspecified abnormality of labor 47
INPAT INPAT_ICD10(O629) Abnormality of forces of labour, unspecified 45
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 42
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O62) Abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 36
OUTPAT OUTPAT_ICD10(O621) Secondary uterine inertia 32
INPAT INPAT_ICD9(6613B) Precipitate labor 29
INPAT INPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 26
OUTPAT OUTPAT_ICD10(O620) Primary inadequate contractions 22
INPAT INPAT_ICD10(O628) Other abnormalities of forces of labour 18
OUTPAT OUTPAT_ICD10(O623) Precipitate labour 17
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O629) Abnormality of forces of labour, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 15
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O622) Other uterine inertia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
OUTPAT OUTPAT_ICD10(O622) Other uterine inertia 9
OUTPAT OUTPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O628) Other abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5