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OSCC distribution according to age group and location
| Age Group (years) | Benin | Ibadan | Ife | Port Harcourt | Total | Chi-Square (p-value) |
|---|---|---|---|---|---|---|
| <18 | 4 (5.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 4 (2.6) | 26.93 (0.0293) |
| 18-28 | 5 (6.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 5 (3.3) | |
| 29-39 | 6 (7.5) | 0 (0.0) | 8 (17.4) | 0 (0.0) | 14 (9.2) | |
| 40-50 | 13 (16.3) | 4 (57.1) | 4 (8.7) | 2 (10.5) | 23 (15.1) | |
| 50-60 | 18 (22.5) | 2 (28.6) | 11 (23.9) | 6 (31.6) | 37 (24.3) | |
| >60 | 34 (42.5) | 1 (14.3) | 23 (50.0) | 11 (57.9) | 69 (45.4) |
