TABLE IV.
Spinopelvic Parameters by Age Group*
| <40 Yr (N = 49) | 40-60.0 Yr (N = 32) | >60 Yr (N = 31) | P Value | |
|---|---|---|---|---|
| LLstanding (deg) | 61.2 ± 11.3 | 60.3 ± 13.8 | 54.0 ± 9.7 | 0.022† |
| LLdeep-seated (deg) | 2.3 ± 10.7 | 8.3 ± 13.3 | 13.9 ± 12.6 | <0.001† |
| ∆LLstanding/deep-seated (deg) | 58.9 ± 12.5 | 52.0 ± 11.8 | 40.4 ± 13.4 | <0.001† |
| SSstanding (deg) | 38.8 ± 7.1 | 42.2 ± 9.9 | 39.0 ± 7.1 | 0.138 |
| SSdeep-seated (deg) | 51.8 ± 12.6 | 50.2 ± 20.3 | 42.5 ± 17.5 | 0.046† |
| ∆SSstanding/deep-seated (deg) | −13.0 ± 12.9 | −7.9 ± 15.6 | −3.6 ± 16.1 | 0.020† |
| PTstanding (deg) | 13.1 ± 8.2 | 15.1 ± 6.8 | 14.1 ± 8.6 | 0.540 |
| PTdeep-seated (deg) | 0.9 ± 14.4 | 8.1 ± 14.8 | 10.3 ± 18.2 | 0.021† |
| ∆PTstanding/deep-seated (deg) | 12.2 ± 13.6 | 7.0 ± 16.0 | 3.9 ± 17.3 | 0.055 |
| PFAstanding (deg) | 192.1 ± 7.2 | 188.9 ± 10.0 | 184.5 ± 9.3 | 0.001† |
| PFAdeep-seated (deg) | 91.2 ± 13.6 | 98.1 ± 15.1 | 100.7 ± 15.7 | 0.013† |
| ∆PFAstanding/deep-seated (deg) | 100.9 ± 12.9 | 90.9 ± 19.2 | 84.1 ± 17.1 | <0.001† |
| SFA (deg) | 159.8 ± 17.0 | 142.8 ± 21.0 | 124.4 ± 18.9 | <0.001† |
| PIstanding (deg) | 52.0 ± 10.7 | 57.4 ± 12.1 | 53.3 ± 11.4 | 0.106 |
| PI-LL mismatch (deg) | −9.1 ± 11.4 | −3.0 ± 10.7 | −0.7 ± 12.9 | 0.004† |
| Spinopelvic balance (no. [%]) | 0.111‡ | |||
| Hyperlordotic | 24 (49.0%) | 11 (34.4%) | 7 (22.6%) | |
| Normal | 23 (46.9%) | 17 (53.1%) | 19 (61.3%) | |
| Flatback | 2 (4.1%) | 4 (12.5%) | 5 (16.1%) | |
| Hip user index (%) | 63.9 ± 6.8 | 63.2 ± 8.5 | 68.0 ± 10.0 | 0.046† |
*
All parameters are given as the mean and standard deviation. P values for standing PT, standing PI, and spinopelvic balance were determined with a chi-square test, and the remaining p values were determined with 1-way ANOVA.
†
Significant (p < 0.05).
‡
Chi-square test.