From: Preoperative low muscle mass is a predictor of falls within 12 months of surgery in patients with lumbar spinal stenosis
All (n = 74)
Non-fallers(n = 50)
Fallers(n = 24)
Decompression
28
19
9
1 level
(19)
(14)
(5)
2 levels
(9)
(4)
Fusion
46
31
15
(27)
(18)
(13)
(6)