Table 1 The International Classification of Diseases (ICD) code was used to define cases of NAFLD in the UK Biobank and PCOS in the FinnGen and Estonian Biobank
Phenotype | Inclusion criteria | Data source(s) |
|---|---|---|
NAFLD | ICD-10 code K76.0 “Fatty (change of) liver, not elsewhere classified” | UK Biobank |
PCOS | ICD-10 code E28.2 “Polycystic ovarian syndrome” | FinnGen; Estonian Biobank |
ICD-9 code 256.4 “Polycystic ovaries” | FinnGen | |
ICD-8 code 256.90 “other and unspecified ovarian dysfunction” | FinnGen |