. 2003 Apr 29;88(9):1375–1380. doi: 10.1038/sj.bjc.6600909

Table 3. Standardised incidence ratio for SCC in offspring of parents with skin cancer.

Age group (y)	O	SIR	95%	CI
20–29	5	3.32	1.05	7.81
30–39	15	1.92	1.07	3.17
40–49	71	2.31	1.81	2.92
50–59	131	2.36	1.97	2.80
60–66	37	2.15	1.52	2.97

All	259	2.29	2.02	2.59

Bold type: 95% CI does not include 1.00. O, observed; SIR, standardised incidence rate.