Table 3

Logistic regression analysis of factors for a good bowel preparation quality

CharacteristicsUnivariableMultivariable
OR95% ClP valueOR95% ClP value
Treatment group
 Control arm1Reference1Reference
 PEP arm66.9916.009 to 280.305<0.001*22.794.227 to 122.850<0.001*
Compliance
 No1Reference1Reference
 Yes18.76.764 to 51.700<0.001*24.983.124 to 199.7100.002*
Acceptability
 Easy1Reference1Reference
 Not easy but slightly difficult0.120.055 to 0.245<0.001*0.640.640 to 0.2520.347
 Very difficult0.020.006 to 0.042<0.001*0.110.029 to 0.3750.001*
Tolerability
 Not or less tolerated1Reference1Reference
 Tolerated36.6812.894 to 104.388<0.001*4.981.444 to 17.2030.011*
Types of medicine
 Hypomotility1Reference1Reference
 Non-hypomotility1.590.873 to 2.9090.1293.031.105 to 8.3270.031*
  • *Pearson χ2 test.

  • PEP, patient educational package.