Randomized Controlled Trial
Copyright ©The Author(s) 2022.
World J Clin Cases. Apr 26, 2022; 10(12): 3764-3772
Published online Apr 26, 2022. doi: 10.12998/wjcc.v10.i12.3764
Table 1 Comparison of general data between the two groups

WAA group (n = 91)
CON group (n = 90)
t value/χ2 value
P value
Sex (male/female)40/5146/440.930.33
Age (years-old)49.34 ± 1.1149.73 ± 1.120.250.80
Body mass index (kg)67.75 ± 13.5865.54 ± 11.501.180.24
Operation time of examination (min)15.98 ± 0.6616.08 ± 0.630.110.91