Site-specific cancers risk after basal cell and squamous cell skin cancers versus controls.

Hazard ratios refer to NMSC status (vs controls), adjusted for age at reference date, sex and smoking.1The melanoma models for BCC are adjusted for age at reference date, sex, smoking, skin reaction to chronic sun exposure and family history of NMSC.2The melanoma models for SCC are adjusted for age at reference date, sex, smoking, skin reaction to chronic sun exposure.Stratified models are similarly adjusted except for the stratification variable.