Fig. 4From: Does obesity affect acetabular cup position, spinopelvic function and sagittal spinal alignment? A prospective investigation with standing and sitting assessment of primary hip arthroplasty patientsPreoperative PI-LL mismatch is depicted in relation to the defined BMI groups: group 1: ≥ 18.5–24.9 kg/m2, group 2: ≥ 25.0–29.9 kg/m2 and group 3: ≥ 30–39.9 kg/m2.* indicating a significant difference between group 1 and 3Back to article page