Table 3.
The endoscopic and histological diagnosis in both symptomatic patients and those referred for a screening procedure n (%)
| Primary finding | Black Africansn = 460 | Caucasiansn = 1236 | Asians/othern = 109 | P value |
| Normal | 240 (52) | 577 (47) | 63 (58) | 0.020 |
| Polyps | 21 (5) | 100 (8) | 10 (9) | 0.033 |
| Colorectal cancer | 44 (10) | 41 (3) | 2 (2) | < 0.001 |
| Other tumours1 | 2 | 1 | ||
| Diverticulosis | 28 (6) | 351 (28) | 21 (19) | < 0.001 |
| Colitis | 34 (7) | 29 (2) | 2 (2) | < 0.001 |
| Haemorrhoids | 65 (14) | 124 (10) | 9 (8) | 0.036 |
| Others | 26 (6) | 13 (1) | 2 (2) | < 0.001 |
1
One black patient had Kaposi’s sarcoma and one had non-Hodgkin’s lymphoma. There was one Caucasian patient with a mucosa-associated lymphoid tissue lymphoma.