Table 3. Number of NMSC cases and controlsa in each of the combined data sets.
|
BCC |
SCC |
|||
|---|---|---|---|---|
| Data set | cases | controls | cases | controls |
| Affymetrix | 1781 | 4304 | 247 | 4500 |
| Illumina | 1055 | 1929 | 134 | 2029 |
| OmniExpress | 1062 | 2297 | 146 | 2433 |
| Total | 3898 | 8530 | 527 | 8962 |
Abbreviations: BCC=basal cell carcinoma; HPFS=Health Professionals Follow-up Study; NHS=Nurses' Health Study; NMSC=non-melanoma skin cancer; SCC=squamous cell carcinoma.
a
1976 and 1986 were considered baseline years for the NHS and the HPFS respectively. Baseline cancer cases were excluded. Skin cancer cases who had diagnosis of other common cancers before diagnosis of skin cancers were excluded; controls who had other cancers were excluded.