Table 2:
Wilcoxon Signed Rank Test results.
Ranks
N
Mean Rank
Sum of Rank
PostOP-PreOP Negative Rank
Positive Rank
Ties
Total
16
a
0
b
1
c
17
8.50
.00
136.00
.00
a. PostOP < PreOP
b. PostOP > PreOP
c. PostOP = PreOP