Research Article

Opioid Use Is Not Associated with Incomplete Wireless Capsule Endoscopy for Inpatient or Outpatient Procedures

Table 2

WCE transit times and completion rates grouped by opioid use and location of procedure.

InpatientsOutpatients
No opioids 24 hoursOpioids 24 hoursP value1No opioids 24 hoursOpioids 24 hoursP value2

GTT, min., median (IQR)23 (8, 64)44 (14, 87)0.0425 (14, 54)24 (10, 69)0.53
SBTT, min., median (IQR)211 (159, 351)240 (171, 349)0.62213 (142, 279)206 (125, 305)0.87
TTT, min., median (IQR) 260 (189, 460)300 (223, >480)0.11252 (185, 323)261 (183, 363)0.95
Completed exam, n (%) 100 (75%)104 (71%)0.31197 (88%)77 (87%)0.91
Gastric capsule retention, n (%)5 (4%)9 (6%)0.249 (4%)3 (3%)0.93

1Multivariable Cox proportion hazards model (transit times) or multivariable logistic regression model (completion, retention) adjusting for age, history of diabetes, history of Crohn’s, and hospital length of stay.
2Multivariable Cox proportion hazards model (transit times) or multivariable logistic regression model (completion, retention) adjusting for sex, history of Crohn’s, and prior small bowel surgery.
GTT, gastric transit time; IQR, interquartile range; min., minutes; SBTT, small bowel transit time; TTT, total transit time.