Table 2 Analysis of spinopelvic complex elements lumbar flexibility (∆ LL = LLstanding − LLsitting), pelvic mobility (∆ PT = PTstanding − PTsitting) and hip motion (∆ PFA = PFAstanding − PFAsitting) and spinopelvic parameter LL, APPT, PT, PFA and PI in standing position according to the BMI: group 1: ≥ 18.5–24.9 kg/m2 (n = 68), group 2: ≥ 25.0–29.9 kg/m2 (n = 81) and group 3: ≥ 30–39.9 kg/m2 (n = 41) preoperatively
BMI groups | 18.5–24.9 kg/m2 Preoperative mean (± SD) | 25.0–29.9 kg/m2 Preoperative mean (± SD) | 30–39.9 kg/m2 Preoperative mean (± SD) | p-value (#1) | p-value (#2) | p-value (#3) |
|---|---|---|---|---|---|---|
Preoperative spinopelvic parameter according to the BMI | ||||||
∆ LL (°) | 22.8 (12.0) | 22.1 (12.0) | 19.9 (12.8) | .977 | .743 | .557 |
∆ PT (°) | 18.2 (11.2) | 17.6 (10.9) | 20.1 (9.3) | .982 | .458 | .749 |
∆ PFA (°) | 56.4 (15.6) | 57.8 (16.4) | 53.9 (12.7) | .935 | .484 | .799 |
LL stand (°) | 55.2 (14.0) | 49.0 (12.7) | 49.2 (16.5) | .023 | .023 | .099 |
PT stand (°) | 14.0 (8.2) | 13.4 (8.3) | 15.5 (8.4) | .949 | .458 | .756 |
PFA stand (°) | 179.7 (11.1) | 179.1 (10.6) | 179.7 (10.9) | .984 | .989 | 1.0 |
APPT stand (°) | 2.4 (7.6) | -0.2 (8.4) | -1.8 (8.1) | .205 | .577 | .028 |
PI stand (°) | 56.4 (12.9) | 52.5 (12.3) | 56.9 (12.6) | .176 | .195 | .996 |