Table 1 Patients’ characteristics
Variable | IVDD Patients (N = 76) | Healthy Controls (N = 140) | P-Value |
|---|---|---|---|
Age | |||
Mean ± SD | 39.08 ± 10.62 years | ||
Range | 19–62 years | ||
Sex | |||
Male N (%) | 47/76 (61.8%) | 70/140 (50%) | 0.1159 |
Female N (%) | 29/76 (38.2%) | 70/140 (50%) | |
Level of degeneration | |||
L2/L3 | 3/71 (4.2%) | – | – |
L3/L4 | 5/71 (7%) | ||
L4/L5 | 31/71 (43.7%) | ||
L3/L4 & L4/L5 | 3/71 (4.2%) | ||
L5/S1 | 25/71 (35.2%) | ||
L4/L5 & L5/S1 | 4/71 (5.6%) | ||
VAS (Mean ± SD) (N = 66) | |||
Pre-operative | 8.37 ± 0.73 | – | – |
2-month post-operative | 3.83 ± 1.15 | ||
6-months post-operative | 2.59 ± 1.00 | ||
ODI (Mean ± SD) (N = 66) | |||
Pre-operative | 37.80 ± 3.96 | – | – |
2-month post-operative | 17.87 ± 4.91 | ||
6-months post-operative | 12.01 ± 3.63 | ||