Table 1 SIRs for CLL 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 | 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. |