Yield of capsule endoscopy in obscure gastrointestinal bleeding: A comparative study between premenopausal and menopausal women

Table 2 Indication, mean hemoglobin value and need of transfusional support in all patients, and between premenopausal and menopausal groups n (%)

No. of patients (n = 183)	All	PMW(30.6%, n = 56)	MW(69.4%, n = 127)	P value1
Indication for CE				0.11
Occult OGIB	151 (82.5)	50 (89.3)	101 (79.5)
Overt OGIB	32 (17.5)	6 (10.7)	26 (20.5)
IDA	149 (81.4)	50 (89.3)	99 (78.0)
Positive fecal occult blood test	2 (1.1)	0 (0)	2 (1.6)
Hematochezia	14 (7.7)	2 (3.6)	12 (9.4)
Melena	18 (9.8)	4 (7.1)	14 (11.0)
Hb prior to CE, g/dL	9.7 ( ± 2.0)	10.4 ( ± 1.7)	9.3 ( ± 2.1)	0.001
Need of transfusional support prior to CE	63 (34.4)	7 (12.5)	56 (44.1)	< 0.001

¹t-test: χ² test, as appropriate; P value of 0.05 indicating statistical significance. CE: Capsule endoscopy; PMW: Premenopausal women; MW: Menopausal women; OGIB: Obscure gastrointestinal bleeding; IDA: Iron deficiency anemia; Hb: Hemoglobin.