From: Growing-rod implantation improves nutrition status of early-onset scoliosis patients: a case series study of minimum 3-year follow-up
Group
N
M pre-op Z
M final F/U Z
p
Z ≦ − 2
12
− 2.65
− 1.79
0.0022**
− 2 < Z ≦ − 1
20
− 1.55
− 0.61
0.0003**
− 1 < Z ≦ 0
10
− 0.55
− 0.31
0.2965
Z > 0
0.95
0.03
0.0036**
All
52
− 0.94
− 0.65
0.0322*