Retrospective Study
Copyright ©The Author(s) 2021.
World J Exp Med. Mar 20, 2021; 11(2): 17-29
Published online Mar 20, 2021. doi: 10.5493/wjem.v11.i2.17
Table 9 Wilcoxon signed ranks test results regarding the change in the Karnofsky scale scores of the patients before and after the operation
Karnofsky scale
Ranks
n
Mean rank
Sum of ranks
z
P value
Pre-test-Post-test 12 moNegative ranks00.000.00-2.5650.010
Positive ranks84.5036.00
Ties0
Total8