Retrospective study of colorectal cancer in Zimbabwe: Colonoscopic and clinical correlates

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

¹One 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.