Table 1 SIRs for CLL occurring after a diagnosis of malignant melanoma by sex, age and time from diagnosis of melanoma

From: Evidence for an association between cutaneous malignant melanoma and lymphoid malignancy: a population-based retrospective cohort study in Scotland

Characteristic

Observed

Expected

SIR

95% CI

P -value

Total

10.0

4.3

2.3

(1.1, 4.4)

<0.05

Male

6.0

2.1

2.9

(1.0, 6.4)

<0.05

Female

4.0

2.2

1.8

(0.5, 4.8)

n.s.

Age at diagnosis

     

 <50 years

1.0

0.3

3.8

(0.1, 21.4)

n.s.

 ≥50 years

9.0

4.0

2.2

(1.0–4.3)

<0.05

Time from CM diagnosis

     

 0–2 years

5.0

1.3

4.0

(1.2, 9.3)

<0.05

 3–10 years

4.0

2.3

1.7

(0.4, 4.5)

n.s.

 ≥11 years

1.0

0.7

1.4

(0, 8.2)

n.s.

  1. CM=cutaneous malignant melanoma, SIR=standardised incidence rate, CI=confidence interval, n.s.=not significant.