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Distribution of histological subtypes of OSCC
| Type | Benin (n, %) | Ibadan (n, %) | Ife (n, %) | Port Harcourt (n, %) | Total (n, %) | Chi-Square (p-value) |
|---|---|---|---|---|---|---|
| Poor | 6 (7.8) | 7 (35.0) | 12 (26.1) | 2 (10.5) | 27(16.7 ) | 17.69 (0.0071)* |
| Moderate | 19 (24.7) | 7 (35.0) | 12 (26.1) | 8 (42.1) | 46(28.4) | |
| Well-differentiated | 52 (67.5) | 6 (30.0) | 22 (47.8) | 9 (47.3) | 89(54.9) | |
| Total | 77(100.0) | 20(100.0) | 46(100.0) | 19(100.0) | 162(100) |
