Table 1.
Patient’s clinical baseline characteristics
| Characteristics | Overall |
|---|---|
| n | 381 |
| Sex (%) | |
| Female | 109 (28.6) |
| Male | 272 (71.4) |
| Age (years, mean (SD)) | 68.91 (6.01) |
| PT (°, mean (SD)) | 18.15 (10.52) |
| Sacral slope (°, mean (SD)) | 30.27 (12.00) |
| Thoracic kyphosis (°, mean (SD)) | 24.52 (20.53) |
| PI (°, mean (SD)) | 48.44 (11.83) |
| LL (°, mean (SD)) | 39.09 (19.71) |
| PI-LL (mean (SD)) | 9.35 (18.18) |
| Lower lumbar lordosis (°, mean (SD)) | 31.37 (11.57) |
| Lordosis distribution index (mean (SD)) | 1.52 (7.91) |
| Chin-brow vertical angle (°, mean (SD)) | -1.77 (7.58) |
| T1 pelvic angle (°, mean (SD)) | 15.98 (11.40) |
| SVA (mm, mean (SD)) | 30.76 (46.81) |
| CrSVA-H (mm, mean (SD)) | 2.19 (50.68) |
| Global tilt (°, mean (SD)) | 20.63 (13.87) |
| Pelvic shift (mm, mean (SD)) | 28.82 (33.36) |
| Knee flexion angle (°, mean (SD)) | 10.22 (8.04) |
| Femoral obliquity angle (°, mean (SD)) | 3.12 (4.90) |
| Coronal T1 pelvic tilt angle (°, mean (SD)) | 1.70 (1.72) |
| Cobb angle (°, mean (SD)) | 13.29 (11.35) |
| C7-CSVL (mm, mean (SD)) | 12.42 (11.26) |
| Hip-knee ankle angle (°, mean (SD)) | 3.53 (4.41) |
| Surgery (%) | |
| No | 269 (70.6%) |
| Yes | 112 (29.4%) |
SD, Standard Deviation; PT, Pelvic Tilt; PI, Pelvic Incidence; LL, Lumbar Lordosis; SVA, Sagittal Vertical Axis; CrSVA-H, The distance from the Cranial Sagittal Vertical Axis (CrSVA) to the center of the Hip; C7-CSVL, The alignment of the C7 plumb line in relation to the Center Sacral Vertical Line (CSVL)