| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| INPAT | INPAT_ICD10(O60) | Preterm labour | 4268 | |
| INPAT | INPAT_ICD8(63497) | Other complications of pregnancy, Partus prematurus imminens, alibi non classificabilis | 3862 | |
| INPAT | INPAT_ICD9(6440B) | Early or threatened labour, Threatened premature labour | 1951 | |
| INPAT | INPAT_ICD9(6441A) | False labour | 1927 | |
| OUTPAT | OUTPAT_ICD10(O60) | Preterm labour | 258 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(O60) | Preterm labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 34 |