Table 3.

Relative risk of all SMs or hematologic SMs for RAI therapy by different stratification

	All cancer combined		Hematologic SMs
Stratified by diagnosed age	RR(95%CI)	P value	RR(95%CI)	P value
< 45 yrs	1.05(0.92–1.21)	0.454	2.17(1.08–4.38)	0.035
45-59 yrs	1.08(0.99–1.19)	0.094	1.50(1.06–2.10)	0.02
60-74 yrs	1.17(1.05–1.30)	0.004	1.70(1.29–2.25)	0.000
> =75 yrs	1.18(0.96–1.46)	0.123	1.04(0.69–1.58)	0.832
Stratified by gender
female	1.01(0.94–1.08)	0.816	1.31(1.05–1.64)	0.016
male	0.94(0.85–1.05)	0.303	1.04(0.76–1.41)	0.814
Stratified by latency time
< 5 yrs	1.11(1.01–1.22)	0.025	1.83(1.14–2.94)	0.012
5-10 yrs	1.03(0.94–1.13)	0.536	1.13(0.85–1.50)	0.413
10-15 yrs	0.88(0.76–1.02)	0.086	1.19(0.88–1.62)	0.266
> =15 yrs	0.75(0.43–1.33)	0.325	0.97(0.56–1.67)	0.898