Research Article
Prognostic Exploration of All-Cause Death in Gingival Squamous Cell Carcinoma: A Retrospective Analysis of 2076 Patients
| | Variable | Training cohort | Validation cohort |
| | Age at diagnosis | 71 (61–80) | 72 (62–81) | | Race n (%) | | White | 1223 (84.2) | 530 (85.1) | | Black | 91 (6.3) | 44 (7.1) | | Other | 138 (9.5) | 49 (7.9) |
| | Sex n (%) | | Male | 750 (51.7) | 308 (49.4) | | Female | 702 (48.3) | 315 (50.6) |
| | Marital n (%) | | Married | 1183 (81.5) | 507 (81.4) | | Unmarried | 269 (18.5) | 116 (18.6) | | Other | | |
| | AJCC n (%) | | I | 362 (24.9) | 156 (25.0) | | II | 271 (18.7) | 111 (17.8) | | III | 183 (12.6) | 66 (10.6) | | IV | 636 (43.8) | 290 (46.5) |
| | Site n (%) | | Lip upper | 437 (30.1) | 166 (26.6) | | Lip lower | 907 (62.5) | 418 (67.1) | | Other lip | 108 (7.4) | 39 (6.3) |
| | ICD n (%) | | 8070 | 1050 (72.3) | 454 (72.9) | | 8071 | 375 (25.8) | 157 (25.2) | | 8072 | 17 (1.2) | 6 (1.0) | | 8074 | 8 (0.6) | 4 (0.6) | | 8075 | 1 (0.1) | 2 (0.3) | | 8076 | 1 (0.1) | |
| | Grade | | I | 440 (30.3) | 182 (29.2) | | II | 767 (52.8) | 340 (54.6) | | III | 242 (16.7) | 99 (15.9) | | IV | 3 (0.2) | 2 (0.3) |
| | Chemotherapy n (%) | | Yes | 302 (20.8) | 115 (18.5) | | No | 1150 (79.2) | 508 (81.5) |
| | Radiotherapy n (%) | | Yes | 694 (47.8) | 294 (47.2) | | No | 758 (52.2) | 329 (52.8 |
| | Surgery n (%) | | Yes | 1256 (86.5) | 546 (87.6) | | No | 196 (13.5) | 77 (12.4) |
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