TABLE 4.

Standardized incidence ratios for all malignancies stratified by age at transplantation, duration of follow-up, and year of transplantation.

Parameter	Person-years	O/E	SIR (95% CI)
Age at transplant, y
<20	191.9535	1/0.0729803	13.7 (0.35, 76.3)
20–44	9,859.359	38/14.12602	2.69 (1.90, 3.69)
45–64	6,247.127	88/27.16186	3.24 (2.60, 3.99)
≥ 65	196.1123	6/1.928599	3.11 (1.14, 6.77)
Duration of follow-up, y
<1	31.59206	6/0.069681	86.1 (31.6, 187)
1–5	2,100.715	39/4.575053	8.52 (6.06, 11.7)
5–10	4,465.733	39/11.0498	3.53 (2.51, 4.83)
10–15	3,839.713	24/10.8994	2.20 (1.41, 3.28)
15–19	3,067.138	14/8.118509	1.72 (0.94, 2.89)
≥20	2,989.662	11/8.577023	1.28 (0.64, 2.30)
Year of transplant
Before 1989	191.2663	0/0.4592726	0
1989–1998	4,544.882	38/12.89968	2.95 (2.09, 4.04)
1999–2008	6,207.307	57/16.68373	3.42 (2.59, 4.43)
2009–2018	5,551.097	38/13.24678	2.87 (2.03, 3.94)

Abbreviations: CI, confidence interval; E, expected; O, observed; SIR, standardized incidence ratio.