Scientometrics
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Feb 27, 2021; 13(2): 210-221
Published online Feb 27, 2021. doi: 10.4240/wjgs.v13.i2.210
Table 1 Characteristics of the study population in the train set and validation set
Characteristics
Train set, n = 175
Test set, n = 174
Entire set, n = 349
Age, mean ± SD65.38 ± 13.2565.29 ± 13.1265.33 ± 13.19
Sex, male/female94/8193/81187/162
Clinical stage, I/II/III/IV31/64/55/2534/75/50/1565/139/105/40
Status, deceased/alive23/15215/15938/311