Table 1 Demographic comparison of the two groups at baseline
Group A | Group B | P-value | |
|---|---|---|---|
No. of subjects (n) | |||
L2/3 | 125 | 15 | - |
L3/4 | 112 | 28 | - |
L4/5 | 86 | 54 | - |
L5/S1 | 71 | 69 | - |
Age (years) | |||
L2/3 | 34.99 ± 3.01 | 34.33 ± 3.09 | 0.427 |
L3/4 | 35.08 ± 3.00 | 34.29 ± 3.06 | 0.214 |
L4/5 | 34.60 ± 3.00 | 35.43 ± 3.00 | 0.118 |
L5/S1 | 34.55 ± 2.95 | 35.30 ± 3.06 | 0.140 |
Gender (Female:Male) | |||
L2/3 | 68:57 | 7:8 | 0.570 |
L3/4 | 60:52 | 15:13 | 1.000 |
L4/5 | 46:40 | 29:25 | 0.980 |
L5/S1 | 39:32 | 36:33 | 0.743 |
Height of lumbar intervertebral disc (mm) | |||
L2/3 | 9.70 ± 0.50 | 9.54 ± 0.41 | 0.252 |
L3/4 | 9.69 ± 0.44 | 9.65 ± 0.67 | 0.687 |
L4/5 | 9.91 ± 0.46 | 9.89 ± 0.61 | 0.843 |
L5/S1 | 10.06 ± 0.480 | 9.96 ± 0.46 | 0.215 |