Table 1.

Demographic data of 103 patients with obscure gastrointestinal bleeding n (%)

Parameters	Type of OGIB			P value
	Total (n = 103)	Overt (n = 80)	Occult (n = 23)
Age (yr), mean ± SD	64 ± 16	62 ± 16	69 ± 14	0.059
Male, n	57 (55)	51 (64)	6 (26)	0.001
Episode, n
First	79 (77)	56 (70)	23 (100)	0.003
Recurrent	24 (23)	24 (30)	0
Hb (g/dL), mean ± SD	8.5 ± 2.4	8.7 ± 2.5	8.2 ± 1.9	0.371
Drugs, n
NSAIDs	30/100 (30)	22/77 (29)	8/23 (35)	0.568
Anticoagulants	4/100 (4)	2/77 (3)	2/23 (9)	0.226

Hb: Hemoglobin; NSAIDs: Nonsteroidal anti-inflammatory drugs; OGIB: Obscure gastrointestinal bleeding.