Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Sep 16, 2021; 9(26): 7729-7737
Published online Sep 16, 2021. doi: 10.12998/wjcc.v9.i26.7729
Table 4 Comparisons of surgery time of stage I and stage II among the three groups (min)
GroupStage I
Stage II
mean ± SD
P value
mean ± SD
P value
WCP72.74 ± 26.900.6185.58 ± 1.190.031a
CA78.91 ± 16.0515.38 ± 2.04
PCP78.16 ± 26.395.74 ± 1.32