Table 1.
Age, BMI, and CSAD (L1-2 to L5-S1) of the study groups (control vs. stenosis) for each gender separately.
| Variables | Males | Females | ||||
|---|---|---|---|---|---|---|
| Control (mean ± SD) | Stenosis (mean ± SD) | P value | Control (mean ± SD) | Stenosis (mean ± SD) | P value | |
| Age (years) | 62.1 ± 12 | 64.6 ± 10 | 0.214 | 60.4 ± 12 | 62 ± 9 | 0.429 |
| BMI (kg/m2) | 27.3 ± 4 | 29.3 ± 4 | 0.009 | 27.7 ± 5 | 30.8 ± 5 | 0.002 |
| CSAD L1-2 (mm2) | 191 ± 41 | 124 ± 47 | <0.001 | 199 ± 39 | 143 ± 33 | <0.001 |
| CSAD L2-3 (mm2) | 162 ± 40 | 81 ± 37 | <0.001 | 171 ± 44 | 103 ± 38 | <0.001 |
| CSAD L3-4 (mm2) | 148 ± 40 | 60 ± 23 | <0.001 | 150 ± 42 | 67 ± 31 | <0.001 |
| CSAD L4-5 (mm2) | 148 ± 51 | 53 ± 31 | <0.001 | 146 ± 47 | 47 ± 20 | <0.001 |
| CSAD L5-S1 (mm2) | 157 ± 55 | 101 ± 44 | <0.001 | 142 ± 49 | 83 ± 32 | <0.001 |
BMI: body mass index; CSAD: cross-sectional area of dural sac; SD: standard deviation.