Efficacy of water infusion combined with defoamers in colonoscopy

Table 1 Baseline information, n (%)

Variables	Control group (n = 47)	Experimental group (n = 50)	χ2/t	P value
Sex			0.227	0.634
Male	25 (53.19)	29 (58.00)
Female	22 (46.81)	21 (42.00)
Age (years)	49.26 ± 10.30	49.82 ± 12.24	0.243	0.809
Height (cm)	167.51 ± 9.27	168.28 ± 14.42	0.311	0.757
Weight (kg)	56.79 ± 10.94	61.76 ± 15.30	1.830	0.070
Course of disease (months)	6.55 ± 1.40	7.02 ± 1.48	1.604	0.112

Table 2 Comparative analysis of the disease detection rate, n (%)

Variables	Control group (n = 47)	Experimental group (n = 50)	χ2	P value
Colon polyps	12 (25.53)	14 (28.00)
Colonorrhagia	7 (14.89)	9 (18.00)
Colonic ulcers	5 (10.64)	6 (12.00)
Colonic mucosal lesions	2 (4.26)	4 (8.00)
Others	6 (12.77)	11 (22.00)
Total	32 (68.09)	44 (88.00)	5.665	0.017

Table 3 Comparative analysis of bowel preparation comfort, n (%)

Variables	Control group (n = 47)	Experimental group (n = 50)	χ2	P value
Mild discomfort	16 (34.04)	35 (70.00)	12.563	< 0.001
Moderate discomfort	28 (59.57)	15 (30.00)	8.586	0.003
Severe discomfort	2 (4.26)	0 (0.00)	2.172	0.141
Extremely severe discomfort	1 (2.13)	0 (0.00)	1.075	0.300

Table 4 Comparative analysis of the incidence of complications, n (%)

Variables	Control group (n = 47)	Experimental group (n = 50)	χ2	P value
Intestinal perforation	2 (4.26)	0 (0.00)
Bleeding	1 (2.13)	0 (0.00)
Nausea and vomiting	2 (4.26)	2 (4.00)
Abdominal pain	2 (4.26)	1 (2.00)
Abdominal distension	2 (4.26)	0 (0.00)
Total	9 (19.15)	3 (6.00)	3.864	0.049

Table 5 Comparative analysis of patient satisfaction, n (%)

Variables	Control group (n = 47)	Experimental group (n = 50)	χ2	P value
Very satisfied	17 (36.17)	22 (44.00)
Satisfied	19 (40.43)	24 (48.00)
Dissatisfied	11 (23.40)	4 (8.00)
Overall satisfaction	36 (76.60)	46 (92.00)	4.398	0.036