Table 2. SIRs for NHL occurring after a diagnosis of malignant melanoma by sex, age and time from diagnosis of melanoma.

Characteristic	Observed	Expected	SIR	95% CI	P-value
Total	18.0	12.2	1.5	(0.0, 2.4)	n.s.
Male	9.0	4.4	2.0	(0.9, 3.9)	n.s.
Female	9.0	7.8	1.2	(0.5, 2.2)	n.s.
Age at diagnosis
<50 years	4.0	1.8	2.2	(0.6, 5.6)	n.s.
≥50 years	14.0	10.4	1.3	(0.8, 2.4)	n.s.
Time from CM diagnosis
0–2 years	10.0	3.6	2.8	(1.3, 5.2)	<0.01
3–10 years	6.0	6.9	0.9	(0.3, 1.9)	n.s.
≥11 years	2.0	1.8	1.1	(0.1, 4.2)	n.s.

See Table 1.