Table 3.
Comparison of Imaging Parameters Between the Two Groups of Patients
| Items | LSS | P-value | LSS with DLS | P-value | ||
|---|---|---|---|---|---|---|
| Preoperative | Final Follow Up | VS Pre-Op | Preoperative | Final Follow Up | VS Pre-Op | |
| LL | 35.8±11.7 | 39.0±8.4 | <0.001 | 36.3±13.3 | 40.3±8.6 | 0.014 |
| SS | 30.2±10.1 | 31.0±8.8 | 0.249 | 32.1±11.5 | 35.6±8.3 | 0.004 |
| PT | 15.2±8.2 | 14.6±7.6 | 0.170 | 19.3±10.4* | 18.5±9.1* | 0.204 |
| PI | 45.4±9.8 | 45.6±8.8 | 0.829 | 51.4±11.4* | 53.0±11.0* | 0.261 |
| PI-LL | 13.8±7.7 | 10.4±7.1 | <0.001 | 19.4±11.1* | 14.4±8.6* | 0.001 |
| Cobb angle (°) | NA | NA | NA | 17.2±4.9 | 18.0±4.4 | 0.100 |
Note: *Significantly different from the LSS group (P < 0.05).
Abbreviations: LL, Lumbar lordosis; SS, Sacral slope; PT, Pelvic tilt; PI, Pelvic incidence; PI-LL, Pelvic incidence-lumbar lordosis.