Table 1. Comparison of lordosis curve parameters between males and females (two-tailed t-test).
| Feature | Males (N = 81) | Females (N = 77) | P value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Curve parameters | Mean | SD | Min | Max | Mean | SD | Min | Max | |
| Segment Length (mm) | 191 | 15 | 142 | 247 | 179 | 13 | 151 | 227 | <0.01 |
| Curve Length (mm) | 194 | 15 | 144 | 251 | 182 | 13 | 156 | 228 | <0.01 |
| Curvedness* | 1.019 | 0.015 | 1.000 | 1.097 | 1.023 | 0.027 | 1.001 | 1.100 | 0.049 |
| Lordosis peak location* | 0.299 | 0.086 | 0.120 | 0.543 | 0.274 | 0.075 | 0.120 | 0.493 | 0.032 |
| Lordosis cranial peak height* | 0.074 | 0.024 | 0.017 | 0.126 | 0.092 | 0.027 | 0.023 | 0.148 | <0.01 |
| Lordosis caudal peak height* | 0.056 | 0.025 | 0.012 | 0.124 | 0.061 | 0.026 | 0.012 | 0.126 | 0.310 |
*Scaled values