Table 1 Patients characteristics
From: Comparison of seventh and eighth edition of AJCC staging system in melanomas at locoregional stage
Variable | N (percentage) | |
|---|---|---|
Patient sex | Female | 1382 (54.82%) |
Male | 1092 (43.32%) | |
Ulceration | Absent | 1206 (47.84%) |
Present | 1017 (40.34%) | |
Unknown | 251 (9.96%) | |
Microsatellites | Absent | 2272 (90.12%) |
Present | 98 (3.89%) | |
Unknown | 104 (4.13%) | |
In-transit | Absent | 2366 (93.85%) |
Present | 85 (3.37%) | |
Unknown | 23 (0.91%) | |
T feature | 1a | 135 (5.36%) |
1b | 318 (12.61%) | |
1, unable to stage otherwise | 52 (2.06%) | |
2a | 416 (16.5%) | |
2b | 165 (6.55%) | |
2, unable to stage otherwise | 43 (1.71%) | |
3a | 278 (11.03%) | |
3b | 359 (14.24%) | |
3, unable to stage otherwise | 47 (1.86%) | |
4a | 145 (5.75%) | |
4b | 421 (16.7%) | |
4, unable to stage otherwise | 39 (1.55%) | |
Unknown | 56 (4.09%) | |
N feature | Negative | 1560 (61.88%) |
1a | 252 (10%) | |
1b | 103 (4.09%) | |
1c | 45 (1.79%) | |
2a | 116 (4.6%) | |
2b | 93 (3.69%) | |
2c | 32 (1.27%) | |
3a | 38 (1.51%) | |
3b | 129 (5.12%) | |
3c | 70 (2.78%) | |
Unknown | 36 (3.29%) | |
Sentinel lymph node biopsy status | Negative | 1711 (67.87%) |
Not conducted | 292 (11.58%) | |
Positive | 471 (18.68%) | |
Largest metastatic deposit in sentinel lymph node | Not applicable | 1599 (64.63%) |
Clinical (palpable) | 292 (12.9%) | |
Unknown | 212 (9.37%) | |
< 1 mm | 112 (4.53%) | |
≥ 1 mm | 259 (10.42%) | |
Year of diagnosis | Median | 2004 |
Interquartile range | 2002–2008 | |
Age | Mean | 51.69 |
Range | 14–94 | |
Breslow thickness (mm) | Median | 2.5 |
Interquartile range | 1.2–4.1 | |