Table 2.
Total number of melanoma patients and controls (column percentage in parentheses), the pooled odds ratios (pORs) and 95% Bayesian confidence intervals (CI) and relative heterogeneity (RH) for the whole body naevus count categories and the arm naevus count categories.
| Site and category of naevus counts | Age < 50 | Age ≥ 50 | ||||||
|---|---|---|---|---|---|---|---|---|
| Whole body naevus count1 | Controls | Cases | pORs (95% CI) | RH | Controls | Cases | pORs (95% CI) | RH |
| Low | 197 (26.5%) |
77 (10.3%) |
1 | 352 (34.3%) |
147 (16.7%) |
1 | ||
| Intermediate-low | 184 (24.7%) |
84 (11.2%) |
1.3 (0.8, 2.1) |
182 (17.7%) |
109 (12.3%) |
1.1 (0.7, 1.7) |
||
| Intermediate-high | 179 (24.1%) |
170 (22.7%) |
2.7 (1.7, 4.2) |
248 (24.1%) |
195 (22.1%) |
1.9 (1.3, 2.8) |
||
| High | 184 (24.7%) |
417 (55.8%) |
6.9 (4.4,11.2) |
14% | 245 (23.9%) |
432 (48.9%) |
5.1 (3.6, 7.5) |
11% |
| Total | 744 | 748 | 1,027 | 883 | ||||
| Arms naevus count2 | Controls | Cases | pORs (95% CI) | RH | Controls | Cases | pORs (95% CI) | RH |
| Low | 772 (44.3%) |
312 (23.6%) |
1 | 1,425 (64.3%) |
839 (40.8%) |
1 | ||
| Intermediate-low | 336 (19.3%) |
204 (15.4%) |
1.6 (1.0, 2.5) |
326 (14.7%) |
355 (17.3%) |
1.6 (1.0, 2.5) |
||
| Intermediate-high | 316 (18.1%) |
266 (20.1%) |
2.8 (1.8, 4.4) |
233 (10.5%) |
276 (13.4%) |
1.8 (1.1, 3.0) |
||
| High | 318 (18.3%) |
540 (40.1%) |
5.8 (3.8, 9.1) |
32% | 233 (10.5%) |
586 (28.5%) |
4.0 (2.5, 6.4) |
44% |
| Total | 1,742 | 1,322 | 2,217 | 2,056 | ||||