Table 1. Numbers of patients diagnosed with MCC and the person-years at risk for a second cancer stratified by age and sex.

	Number of subjects diagnosed with MCC
Age at diagnosis	Males	Females	Total	Person-years at risk following the MCC diagnosis
<29	1	1	2	25.6
30–44	2	6	8	74.3
45–59	18	17	35	157
60–74	83	98	181	862.4
>75	210	320	530	1513
Total	314	442	756	2632.5

Abbreviation: MCC=merkel cell carcinoma.