Table 3 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) postoperatively
BMI groups |  ≥ 18.5–24.9 kg/m2 Postoperative mean (± SD) |  ≥ 25.0–29.9 kg/m2 Postoperative mean (± SD) |  ≥ 30–39.9 kg/m2 Postoperative mean (± SD) | p-value (#1) | p-value (#2) | p-value (#3) |
|---|---|---|---|---|---|---|
Postoperative spinopelvic parameter according to the BMI | ||||||
∆ LL (°) | 25.7 (13.5) | 26.0 (11.3) | 25.0 (12.1) | .998 | .959 | .986 |
∆ PT (°) | 22.6 (10.4) | 23.0 (9.8) | 21.7 (10.4) | .992 | .874 | .960 |
∆ PFA (°) | 50.7 (14.0) | 50.7 (12.6) | 51.1 (11.4) | 1.0 | .998 | .999 |
LL stand (°) | 55.0 (13.4) | 50.6 (12.8) | 51.2 (15.9) | .153 | .994 | .418 |
PT stand (°) | 10.6 (8.7) | 10.6 (8.2) | 13.7 (7.8) | 1.0 | .139 | .162 |
PFA stand (°) | 175.3 (11.1) | 175.6 (8.8) | 176.6 (7.8) | .998 | .933 | .887 |
APPT stand (°) | 4.9 (6.7) | 2.1 (7.7) | 0.7 (8.6) | .089 | .690 | .018 |
PI stand (°) | 54.7 (13.3) | 51.5 (11.7) | 51.1 (11.4) | .332 | .098 | .811 |