Table 1.
Comparison of current study patient characteristics with those of previously published registry studies [1,30].
| Patient Characteristic |
Present Study (n = 20,069) |
Katalinic et al. 2003 [1] (n = 12,956) |
Duarte et al. 2018 [31] (n = 72,602) |
|---|---|---|---|
| Age, median (IQR) | 74.9 (68.2, 81.7) | 69.3 (13.1) a | 76 (67, 83) |
|
Sex Female Male Missing |
|||
| 7680 (38.3) | 6471 (49.9) | 35,267 (48.6) | |
| 12,377 (61.7) | 6485 (50.1) | 37,335 (51.4) | |
| 12 | NA | NA | |
| Tumor Location | |||
| Head/neck | 12,787 (63.7) | 8363 (64.5) | |
| Ear | 1700 (8.5) | 475 (3.7) | 5104 (7.0) |
| Face | NA | 6014 (46.4) | 46,392 (67.0) |
| Scalp | 1297 (6.5) | 1000 (7.7) | NA |
| Forehead | 1816 (9.0) | NA | NA |
| Temple | 610 (3.0) | NA | NA |
| Orbit/Eyelid | 121 (0.6) | 587 (4.5) | 4495 (6.2) |
| Nose | 3467 (17.3) | NA | NA |
| Cheek | 2968 (14.8) | NA | NA |
| Mucosal lip | 51 (0.3) | 287 (2.2) | 2434 (3.4) |
| Other face locations | NA | NA | 39,463 (54.4) |
| Chin/Mandible | 151 (0.8) | NA | NA |
| Neck | 766 (3.8) | NA | NA |
| Scalp and neck | NA | 1000 (7.7) | 6825 (9.4) |
| Extremities | 4142 (20.6) | 3179 (24.5) | |
| Shoulder | 468 (2.3) | 1058 (7.7) | NA |
| Upper limb | NA | NA | 3502 (4.8) |
| Trunk | 819 (4.1) | 2121 (16.4) | 6295 (8.7) |
| Chest | 531 (2.6) | NA | NA |
| Back | 793 (4.0) | NA | NA |
| Lower limb | NA | 652 (5.0) | 3619 (49.2) |
| Overlapping anatomical sites | NA | 7 (0.1) | NA |
| Other specified sites | NA | NA | 594 (0.8) |
| Not specified | NA | 756 (5.8) | 3325 (4.6) |
|
Histology BCC SCC SCCIS |
|||
| 9928 (49.5) | 10,649 (82.2) | 28,691 (72.9) b | |
| 5294 (26.4) | 2162 (16.7) | 10,103 (25.7) b | |
| 4648 (23.2) | NA | NA | |
| ≥2 NMSCs | 199 (1.0) | NA | NA |
| Not specified | NA | 49 (0.4) | 1036 (2.6) b |
| Others | NA | 96 (0.7) | NA |
a Presented as mean (SD). b Histology data are from 39,830 lesions occurring between 2013 and 2015. All data presented as n (%) unless otherwise specified. Abbreviations: BCC, basal cell carcinoma; IQR, interquartile range; n, number of lesions; NA, not available; SCC, squamous cell carcinoma; SCCIS, squamous cell carcinoma in situ; SD, standard deviation.