Table 4.

Rates of cancer diagnoses among prior living kidney donors and age- and sex-matched controls, considered according to the duration from nephrectomy to insurance plan enrollment

	Living Donors Rate Per 1000 Person-Years	Matched Controls Rate Per 1000 Person-Years	Donor vs Control Rate Ratio (95% CI)
By Time from Donation to Insurance Plan Enrollment*
Total Non-skin, Early	5.2	11.6	0.45 (0.25–0.79) †
Total Non-skin, Later	19.4	21.4	0.91 (0.64–1.29)
Total Skin, Early	6.1	5.8	1.05 (0.56–1.97)
Total Skin, Later	6.2	7.8	0.79 (0.43–1.45)

^*Sub-samples defined by enrollment in the study insurance plan before (“early”) or after (“later”) the median sample time from donor nephrectomy to insurance plan enrollment.

^†P<0.05