Efficacy and Tolerability of Two Different Low-Volume Split-Dose Polyethylene Glycol Electrolytes Solution Bowel Preparation for Morning Colonoscopy

Table 1

Patient demographic data and clinical characteristics for colonoscopy.

Parameter	0.75 L + 1.5 L group (n = 64)	1.5 L + 0.75 L group (n = 65)	T/χ^2	value
Sex (n, %)			1.304	0.253
Male	30 (46.88)	37 (56.92)
Female	34 (53.12)	28 (43.08)
Age (Mean ± SD)	53.56 ± 12.5	51.80 ± 14.35	0.742	0.459
BMI (Mean ± SD)	23.76 ± 3.31	23.58 ± 3.44	0.303	0.763
Degree of education (n, %)			3.003	0.096
Master and doctor	3 (4.69)	5 (7.69)
Specialist and undergraduate	22 (34.38)	30 (46.15)
Senior middle school;	16 (25.00)	14 (21.54)
Junior high school and below	23 (35.93)	16 (24.62)
Indications for colonoscopy (n, %)
Diarrhea			2.022	0.155
Yes	7 (10.94)	13 (20.31)
No	57 (89.06)	52 (79.69)
Abdominal pain			2.087	0.149
Yes	14 (21.88)	8 (12.5)
No	50 (78.12)	57 (87.5)
Abdominal distension			0.168	0.718
Yes	4 (6.25)	3 (4.69)
No	60 (93.75)	62 (95.31)
Physical examination			0.128	0.721
Yes	15 (23.44)	17 (26.56)
No	49 (76.56)	48 (73.44)
Change of stool habits			1.567	0.211
Yes	20 (31.25)	14 (21.88)
No	44 (68.75)	51 (78.12)
History of disease
Hypertension (n, %)			0.611	0.434
Yes	11 (17.19)	8 (12.31)
No	53 (82.81)	57 (87.69)
Diabetes mellitus (n, %)			2.990	0.084
Yes	10 (15.63)	4 (6.15)
No	54 (84.37)	61 (93.85)
Heart disease (n, %)			1.975	0.160
Yes	10 (15.63)	5 (7.69)
No	54 (84.37)	60 (92.31)
Previous colonoscopy (n, %)			0.067	0.795
Yes	33 (51.56)	35 (53.85)
No	31 (48.44)	30 (46.15)

SD, standard deviation; BMI, body mass index.