Table 5 Comparison according to the SDSG grade at 12 months
Parameters | SDSG | Test§ | p value | |
|---|---|---|---|---|
SDSG 2 (N = 9) | SDSG 3 (N = 15) | (Sig.) | ||
Visual Analogue Scale (VAS) for back | ||||
Mean ± SD | 1.44 ± 0.72 | 2 ± 0.92 | − 1.462 | 0.144 |
Median (range) | 1 (1–3) | 2 (1–3) | ||
Visual Analogue Scale (VAS) for leg | ||||
Mean ± SD | 0.77 ± 0.44 | 1.13 ± 1.99 | − 0.341 | 0.733 |
Median (range) | 1 (0–1) | 1 (0–8) | ||
Oswestry Disability Index (ODI) | ||||
Mean ± SD | 13.78 ± 2.108 | 16.87 ± 12.495 | − 0.272 | 0.786 |
Median (range) | 14 (11–17) | 15 (10–61) | ||
Pelvic tilt (PT) | ||||
Mean ± SD | 17.02 ± 2.99 | 21.53 ± 3.95 | − 2.534 | 0.011 |
Median (range) | 16 (12.30–22.20) | 21.90 (14–27) | (S) | |
Sacral slope (SS) | ||||
Mean ± SD | 35.4778 ± 2.28844 | 45.8733 ± 4.06966 | − 8.006 | < 0.001 |
Median (range) | 35.8(32.1–40) | 45 (39.7–52.9) | (HS) | |
Lumbar lordosis (LL) | ||||
Mean ± SD | 52.46 ± 4.95 | 61.22 ± 5.64 | − 3.139 | 0.002 |
Median (range) | 50 (47.40–59) | 60 (50.80–68.90) | (S) | |
Mismatch | ||||
Mean ± SD | 5.22 ± 3.31 | 6.80 ± 2.76 | − 1.283 | 0.2 |
Median (range) | 4.60 (1.60–9.50) | 7.20 (0.10–9.90) | ||
L1–L4 | ||||
Mean ± SD | 23 ± 6.09 | 30.4 ± 5.32 | − 2.419 | 0.016 |
Median (range) | 20 (17– 32.2) | 29.8 (22.3–38.6) | (S) | |
L4–S1 | ||||
Mean ± SD | 37.44 ± 3.19 | 39.74 ± 4.64 | − 1.404 | 0.16 |
Median (range) | 38.10 (33.70–43.30) | 41.90 (31.20–45.20) | ||
Segmental lordosis (SL) | ||||
Mean ± SD | 20.62 ± 3.01 | 20.74 ± 8 | − 1.343 | 0.179 |
Median (range) | 21.90 (14.60–23.60) | 17.30 (13.90–37) | ||