Table 2.

Bowel preparation quality and procedure-related factors n (%)

	NaP tables (n = 158)	PEG solution (n = 162)	P value
Bowel cleansing
Adequate	147 (93.0)	150 (92.6)	0.877
Inadequate	11 (7.0)	12 (7.4)
Boston scale score
Right colon	2.6 ± 0.6	2.5 ± 0.7	0.262
Transverse colon	2.8 ± 0.5	2.7 ± 0.5	0.022
Left colon	2.8 ± 0.5	2.8 ± 0.5	0.990
Global colon	8.2 ± 1.3	8.0 ± 1.2	0.221
Cecal insertion time (min)	4.5 ± 2.7	4.2 ± 2.6	0.224
Withdrawal time (min)	10.5 ± 4.6	9.5 ± 3.6	0.028
Total colonoscopy time (min)	15.2 ± 6.4	13.7 ± 5.4	0.023

Values are means ± SD. PEG: Polyethylene glycol.