Table 1. Distribution of oral cancer patients by sociodemographic and clinical characteristics.
| Variable | Number (%) | Variable | Number (%) |
|---|---|---|---|
| Age mean age (48.36 (11.50)) | Education | ||
| ≤40 | 535 (28.23) | Literate | 1,575 (83.11) |
| 41–60 | 1,043 (55.04) | Illiterate | 318 (16.78) |
| >60 | 317 (16.73) | Occupation | |
| Gender | Unemployed | 327 (16.78) | |
| Male | 1,549 (81.74) | Employed | 1,466 (77.36) |
| Female | 346 (18.26) | Retired | 99 (5.22) |
| Region | Income | ||
| North | 564 (29.76) | High (>30,374) | 142 (7.49) |
| South | 12 (0.63) | Medium (11,362–30,374) | 330 (17.41) |
| Central | 132 (6.96) | Low (<11,362) | 1,399 (73.83) |
| East | 422 (22.27) | 0 (income/unknown) | 24 (1.27) |
| West | 714 (37.68) | Type of case | |
| North-east | 35 (1.85) | New | 1,688 (89.08) |
| Foreign | 16 (0.84) | Old | 207 (11.03) |
| Primary site (ICD-10) | TNM staging | ||
| Lip (C00.9) | 5 (0.26) | Stage I | 213 (11.24) |
| Tongue (C02.9) | 697 (36.78) | Stage II | 262 (13.83) |
| Gum and alveolus (C03.9) | 246 (12.98) | Stage III | 241 (12.72) |
| Mouth (C04.9) | 180 (9.50) | Stage IV | 951 (50.18) |
| Hard palate (C05.0) | 39 (2.06) | Outside | 228 (12.03) |
| Buccal mucosa (C06.0) | 675 (35.62) | Intent of treatment | |
| Retromolar area (C06.2) | 51 (2.69) | Palliative | 139 (7.34) |
| Oral cavity (C06.9) | 2 (0.11) | Curative | 1,756 (92.66) |
| Primary site histology | Type of treatment | ||
| Squamous cell carcinoma | 1,821 (96.09) | Surgery | 534 (28.18) |
| Adenocarcinoma | 6 (0.31) | Radiotherapy | 68 (3.59) |
| Others | 68 (3.59) | Chemotherapy | 258 (13.61) |
| Histology grade | Surgery + radiotherapy | 469 (24.75) | |
| Well-differentiated | 226 (11.93) | Chemo + radiotherapy | 95 (5.01) |
| Moderately differentiated | 860 (45.38) | Surgery + chemotherapy | 20 (1.06) |
| Poorly differentiated | 263 (13.88) | Surgery + chemo + radiotherapy | 451 (23.80) |
| Undifferentiated | 546 (28.81) | Treatment completion | |
| Clinical extent | Complete treatment | 1,658 (87.49) | |
| Localised | 472 (24.91) | Partial treatment | 237 (12.51) |
| Loco-regional | 1,197 (63.17) | Time to treatment initiation | |
| Distant metastasis | 6 (0.32) | <30 days | 809 (47.92) |
| Recurrence and treated outside | 209 (11.03) | >30 days | 879 (52.07) |