Table 2

Effect of telephone re-education on the outcome of bowel preparation and colonoscopy

TREControlp Value
Adequate bowel preparation249/305 (81.6%)211/300 (70.3%)0.001
 PEG-ELP194/237 (81.9%)161/230 (70.0%)0.003
 SP55/68 (80.9%)50/70 (71.4%)0.193
Incomplete colonoscopy14/276 (5.1%)40/273 (14.6%)<0.001
 Inadequate preparation5/276 (1.8%)29/273 (10.6%)<0.001
 Technical difficulty or stricture9/276 (3.3%)11/273 (4.0%)0.619
Successful colonoscopy262/276 (94.9%)233/273 (85.4%)<0.001
 Ottawa score3.0±2.34.9±3.2<0.001
 Left1.3±1.01.8±1.1<0.001
 Transverse0.5±0.80.9±1.1<0.001
 Right1.0±0.91.5±1.0<0.001
 Fluid volume (ml)0.2±0.50.6±0.7<0.001
 Caecal intubation time (min)7.7±5.17.6±4.30.806
 Withdrawal time (min)6.2±2.37.8±2.8<0.001
Colonoscopic findings
 Polyp116/305 (38.0%)74/300 (24.7%)<0.001
 Diverticula21/305 (6.9%)10/300 (3.3%)0.048
 Ulcerative colitis15/305 (4.9%)13/300 (4.3%)0.732
 Cancer6/305 (2.0%)3/300 (1.0%)0.505
 Other4/305 (1.3%)4/300 (1.3%)1.000
  • Unless otherwise indicated, values are mean±SD.

  • PEG-ELP, polyethylene glycol electrolyte powder; SP, sodium phosphate; TRE, telephone re-education.