From: Comparison of a novel hand-held retractor-assisted transforaminal lumbar interbody fusion by the wiltse approach and posterior TLIF: a one-year prospective controlled study
P-TLIF (n = 17)
Wiltse approach -TLIF (n = 20)
P Value
Rank
I
II
III
IV
-
Preoperation
2
9
6
0
3
P = 0.399
Postoperation
1
7
8
P = 0.008*