Pre-colonoscopy special guidance and education on intestinal cleaning and examination in older adult patients with constipation

Table 1 Comparison of general information between the study group and the control group, n (%)

Normal information	Research group (n = 80)	Control group (n = 80)	t/χ2	P value
Age (yr)	68.2 ± 5.4	68.4 ± 5.4	-0.218	0.827
BMI (kg/m2)	24.5 ± 2.7	24.1 ± 2.7	1.009	0.158
Duration of constipation (yr)	6.3 ± 1.6	6.4 ± 2.3	040	0.158
Sex			0.905	0.341
Male	46 (57.50)	40 (50.00)
Female	34 (42.50)	40 (50.00)
Hypertension			0.227	0.634
Yes	38 (47.5)	35 (43.75)
No	42 (52.5)	45 (56.25)
Diabetes			0.038	0.845
Yes	17 (21.25)	16 (20.00)
No	63 (78.75)	64 (80.00)
Smoking			0.000	1.000
Yes	14 (17.50)	14 (17.50)
No	66 (82.50)	66 (82.50)
Drinking			0.316	0.574
Yes	20 (25.00)	17 (21.25)
No	60 (75.00)	63 (78.75)

BMI: Body mass index.