Table 1.
Demographic Characteristics of 28 408 Persons of Non-Hispanic White Race With Basal Cell Carcinoma (BCC), and Crude Incidence Rates by Age and Sex, Kaiser Permanente Northern California (KPNC), 2011 to 2012a
| Characteristic | Value | BCC Incidence Rate per 100 000 Person-years (95% CI) |
|---|---|---|
| Age | ||
| Mean (SD) | 68.5 (13) | … |
| Median (range) | 69 (5–106) | … |
| No. (%), y | ||
| <30 | 79 (<1) | 8 (6–10) |
| 30 to <40 | 551 (2) | 155 (141–169) |
| 40 to <50 | 1942 (7) | 440 (419–462) |
| 50 to <60 | 4892 (17) | 928 (900–956) |
| 60 to <70 | 7670 (27) | 1697 (1657–1737) |
| 70 to <80 | 6939 (24) | 2877 (2806–2949) |
| 80 to <90 | 5321 (19) | 3978 (3866–4091) |
| >90 | 1014 (4) | 3650 (3412–3888) |
| Sex, No. (%) | ||
| Female | 12 174 (43) | 737 (723–751) |
| Male | 16 234 (57) | 1144 (1126–1163) |
a
Table reflects the first instance of BCC per person during study period. Includes only persons who were members of KPNC at the time of their diagnosis, and who lived in counties that represent the KPNC primary service area.