Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD10(O60) Preterm labour 3842
INPAT INPAT_ICD8(63497) Other complications of pregnancy, Partus prematurus imminens, alibi non classificabilis 3520
INPAT INPAT_ICD9(6440B) Early or threatened labour, Threatened premature labour 1788
INPAT INPAT_ICD9(6441A) False labour 1758
OUTPAT OUTPAT_ICD10(O60) Preterm labour 235
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O60) Preterm labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24