Table 1 Summary of characteristics in 140 study patients. BMI; body mass index, NRS; numeric rating scale, LBP; low back pain, CL;cervical lordosis (C2–C7), TK; thoracic kyphosis (T5–12), LL; lumbar lordosis (T12–S1), SS; sacral slope, PI; pelvic incidence, PT; pelvic tilt, SS; sacral slope, SVA; sagittal vertical axis. All values are expressed as mean value ± standard deviation
| Â | Overall | Male | Female | P value |
|---|---|---|---|---|
Number of Cases | 140 | 67 | 73 | Â |
Age (yrs) | 70.6 ± 9.0 | 70.9 ± 9.4 | 70.4 ± 8.6 | 0.724 |
Height (cm) | 158.2 ± 9.6 | 165.0 ± 7.9 | 152.0 ± 6.3 | < 0.001 |
Body weight (kg) | 61.5 ± 12.8 | 67.5 ± 12.8 | 56.1 ± 10.3 | < 0.001 |
BMI (kg/m2) | 24.4 ± 4.0 | 24.7 ± 3.3 | 24.2 ± 4.5 | 0.153 |
NRS of LBP | 5.5 ± 2.8 | 5.6 ± 2.8 | 5.5 ± 2.7 | 0.984 |
Radiological parameters | ||||
 CL | 8.9 ± 14.3 | 9.4 ± 15.1 | 8.4 ± 13.8 | 0.358 |
 TK | 25.2 ± 9.8 | 25.7 ± 9.1 | 24.8 ± 10.4 | 0.809 |
 LL | 32.2 ± 15.8 | 31.7 ± 14.4 | 32.7 ± 17.0 | 0.404 |
 PI | 50.1 ± 9.6 | 47.8 ± 8.6 | 52.2 ± 10.1 | < 0.01 |
 PT | 23.6 ± 9.0 | 21.5 ± 7.8 | 25.5 ± 9.6 | < 0.05 |
 SS | 26.0 ± 9.2 | 25.9 ± 10.0 | 26.2 ± 8.5 | 0.470 |
 C7-SVA | 65.4 ± 55.1 | 67.6 ± 51.7 | 63.4 ± 58.4 | 0.490 |