The Efficacy of Short-Duration Polyethylene Glycol plus Electrolytes for Improving Bowel Preparation of Colonoscopy in Patients with Chronic Constipation

Table 4

Time to first SBMs and rate of SBMs within 24 h after prescription of short-duration PEG+E.

	Time to first spontaneous BMs within 48 h, ()	value	Rate of spontaneous BMs within 24 h, % ()	value
Overall	(102)		82.1 (87)
<3 BMs/week	(23)	0.01	69.6 (16)	0.03
3-6 BMs/week	(79)		89.9 (71)
Male	(54)	0.40	85.2 (46)	0.80
Female	(48)		85.4 (41)
≤74 years old	(66)	0.21	80.1 (55)	0.64
≥75 years old	(36)		84.2 (32)

SBM: spontaneous bowel movement; PEG+E: polyethylene glycol plus electrolytes; SD: standard deviation; BM: bowel movement.