From: Can fat infiltration in the multifidus muscle be a predictor of postoperative symptoms and complications in patients undergoing lumbar fusion for degenerative lumbar spinal stenosis? A case–control study
Variable
FI > 25% (n = 160)
FI < 25% (n = 160)
P value
Bone nonunion (yes)
40
12
< 0.001**
Screw loosening (yes)
55
41
0.073