Wireless capsule endoscopy in the investigation of patients with chronic renal failure and obscure gastrointestinal bleeding (preliminary data)

Table 2 Demographic and clinical characteristics of CRF and non-CRF patients

	CRF patients	Non-CRFpatients	P
No. of patients	17	51
Male/female	12/5	36/15	NS
Age (mean ± SE), yr	57.1 ± 2.5	57.2 ± 2.1	NS
Indication of WCE (overt/occult bleeding)	11/6	33/18	NS
NSAIDs or aspirin use, n (%)	3/17 (17.6%)	14/51 (27.5%)	NS
Comorbid diseases, n (%)	10/17 (58.8%)	23/51 (45.1%)	NS
Hb (mean ± SE), g/L	84.3 ± 2.0	87.7 ± 1.3	NS
Need for previous transfusions, n (%)	6/17 (35.3%)	28/51 (54.9%)	NS

NS: Non-significant.