TABLE 1.

Anal cancer incidence in US transplant cancer match study 1987 to 2015, by age, gender and years since transplant

	Males			Females
	Cases	Person‐years	IR per 100 000 person‐years (95% CI)	Cases	Person‐years	IR per 100 000 person‐years (95% CI)
All	99	1 050 327	9.4 (7.7‐11.5)	128	676 462	18.9 (15.8‐22.5)
Age group (y)
<30	0	116 804	0.0 (0.0‐3.2)	3	97 399	3.1 (0.6‐9.0)
30‐44	9	194 004	4.6 (2.1‐8.8)	19	145 121	13.1 (7.9‐20.4)
45‐59	42	403 603	10.4 (7.5‐14.1)	56	240 592	23.3 (17.6‐30.2)
≥60	48	335 916	14.3 (10.5‐18.9)	50	193 350	25.9 (19.2‐34.1)
Years since transplant
<5	43	657 746	6.5 (4.7‐8.8)	46	412 509	11.2 (8.2‐14.9)
5‐9	28	278 346	10.1 (6.7‐14.5)	42	183 231	22.9 (16.5‐31.0)
≥10	28	114 235	24.5 (16.3‐35.4)	40	80 722	49.6 (35.4‐67.5)

Abbreviations: CI, confidence interval; IR, incidence rate.