Gastroenterology Research and Practice / 2014 / Article / Tab 1

Clinical Study

A Randomized Prospective Study of Bowel Preparation for Colonoscopy with Low-Dose Sodium Phosphate Tablets versus Polyethylene Glycol Electrolyte Solution

Table 1

Patients’ demographic features and indications for surveillance colonoscopy.

NaP groupPEG group value

Number4845
Mean age 
(range)
45.2 ± 13.0 
(21–69)
46.2 ± 13.6 
(25–71)
NS  
-test
Men : women27 : 2126 : 19NS   
-test
Intubation time 
(range)
10.1 ± 6.3 
(2–30)
10.0 ± 5.0 
(2–20)
NS  
-test
Total examination time 
(range)
20.3 ± 6.8 
(8–39)
17.7 ± 5.9 
(10–30)
NS  
-test
Purpose
 Cancer surveillance or screening1717   NS
 Fisher’s exact test
 Positive fecal occult blood test or rectal bleeding54
 Inflammatory bowel disease2013
 Changes in bowel habit or pain68
Examination frequency
 First time710    NS
Wilcoxon rank-sum test
 Second time98
 Third time513
 Over four times2513