Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Sep 21, 2023; 29(35): 5125-5137
Published online Sep 21, 2023. doi: 10.3748/wjg.v29.i35.5125
Table 1 Demographic characteristics of patients in the two groups

Normal group (n = 65)
Abnormal group (n = 148)
P value
Male (n, %)49 (75.4)116 (78.4)0.722
Ratio (men to women)3.063.630.722
Age (yr)57.4 ± 12.659.8 ± 11.00.163
Age of men56.5 ± 12.960.3 ± 10.40.047a
Age of women60.1 ± 11.857.94 ± 12.90.572
Duration before diagnosis (d)78.4 ± 71.793.1 ± 124.80.686
Lengths of stay (d)16.5 ± 8.715.6 ± 9.00.351