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

Table 2 Indications for colonoscopy n (%)

Indication	Black Africansn = 460	Caucasiansn = 1236	Asians/othern = 109	P value
Routine screening, asymptomatic	31 (7)	331 (27)	25 (23)	< 0.001
Previous lesion1	16 (3)	66 (5)	6 (6)	0.273
Haematochezia	174 (38)	234 (19)	22 (20)	< 0.001
Anaemia	68 (15)	47 (4)	17 (16)	< 0.001
Altered bowel habit	201 (44)	543 (44)	37 (34)	0.126
Loss of weight	43 (9)	72 (6)	6 (6)	0.037
Abdominal pain	149 (32)	286 (23)	32 (29)	< 0.001
Family history of bowel cancer	15 (3)	184 (15)	11 (10)	< 0.001

¹Previous adenomatous polyps, colon carcinoma or inflammatory bowel disease. Some patients had more than one indication, thus the summation of the percentages may be more 100%.