Case Control Study
Copyright ©The Author(s) 2023.
World J Clin Cases. May 16, 2023; 11(14): 3148-3157
Published online May 16, 2023. doi: 10.12998/wjcc.v11.i14.3148
Table 1 The general information comparison between the two groups of patients

Intervention group (n = 30)
Control group (n = 30)
T value
P value
Sex (n)Men15160.0670.796
Women1514
Age (yr)27.20 ± 2.2328.27 ± 2.53-1.7300.089
OccupationStudent10110.2940.961
Worker76
Civil servant54
Self-employed89
Education degree (n)Primary school760.2690.874
Middle school87
College degree or above1513
Expense category (n)Health insurance22240.3730.542
Self-pay86
Inpatient days (d)17.00 ± 2.2916.33 ± 2.451.0880.281