Table 1.
Risks for in situ and invasive cancer when family members were diagnosed with concordant in situ or invasive cancer.
| Cancer site family member | RR for in situ cancer when family had the same in situ cancer | RR for invasive cancer when family had same in situ cancer | RR for in situ cancer when family had the same invasive cancer | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Cases | RR | 95%CI | Cases | RR | 95%CI | Cases | RR | 95%CI | |
| Cervix | 20188 | 1.77 | 1.75–1.80 | 1127 | 1.41 | 1.33–1.50 | 2763 | 1.54 | 1.48–1.60 |
| Other female genital | 15 | 2.74 | 1.65–4.56 | 4 | 1.19 | 0.45–3.18 | 9 | 1.06 | 0.55–2.05 |
| Skin squamous cell | 3207 | 2.29 | 2.21–2.38 | 1620 | 1.92 | 1.83–2.02 | 2097 | 2.07 | 1.98–2.17 |
| Male | 1612 | 2.30 | 2.19–2.42 | 951 | 1.96 | 1.83–2.10 | 1047 | 2.08 | 1.95–2.21 |
| Female | 1595 | 2.28 | 2.17–2.40 | 669 | 1.87 | 1.73–2.03 | 1050 | 2.07 | 1.95–2.21 |
RR = relative risk, 95%CI = 95% confidence interval, bold font indicates that the lower limit of 95%CI does not include 1.00.