Observational Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Feb 26, 2020; 8(4): 743-756
Published online Feb 26, 2020. doi: 10.12998/wjcc.v8.i4.743
Table 1 Patient distribution by age and gender
Number of patientsAgeStd. deviation
Female3313 yr, 11 mo1.33
Male2413 yr, 11 mo0.96
Total5713 yr, 11 mo1.16