Table 1 Characteristics of melanoma patients 1993–2004
n=3386 | n=1270 | |
|---|---|---|
Number of patients | (all patients recruited 1993–2004) | (> in situ , ⩾3 months observation) |
Observation time (months) | ||
Range | 0–143 | 3–143 |
Mean | 26.3 | 42.5 |
Median | 13.0 | 32.0 |
Age (years) | ||
Range | 5–100 | 7–95 |
Mean | 55.0 | 53.2 |
Median | 57.0 | 54.0 |
Sex | ||
Male | 1589 (46.9%) | 649 (51.1%) |
Female | 1797 (53.1%) | 621 (48.9%) |
Localisation | ||
TANS | 2228 (65.8%) | 772 (60.8%) |
Not TANS | 1158 (34.2%) | 498 (39.2%) |
Ulceration | ||
Present | 157 (4.6%) | 123 (9.7%) |
Absent | 3229 (95.4%) | 1147 (90.3%) |
Tumour thickness (mm) | ||
In situ | 1613 (47.6%) | |
<1.0 | 1291 (38.1%) | 846 (66.6%) |
1.01–2.0 | 263 (7.8%) | 236 (18.6%) |
2.01–4.0 | 124 (3.7%) | 104 (8.2%) |
>4.01 | 95 (2.8%) | 84 (6.6%) |
Invasion level | ||
CL I | 1613 (47.6%) | |
CL II | 257 (7.6%) | 176 (13.9%) |
CL III | 1084 (32.0%) | 736 (71.8%) |
CL IV | 376 (11.1%) | 313 (24.6%) |
CL V | 56 (1.7%) | 45 (3.5%) |
