From: Obese people benefit from lumbar spinal stenosis surgery as much as people of normal weight
Before surgery | P value* | Change over 2 years | P value* | |||||
---|---|---|---|---|---|---|---|---|
BMI | BMI | |||||||
Normal < 25 | Overweight 25.0–29.9 | Obese ≥30 | Normal < 25 | Overweight 25.0–29.9 | Obese ≥30 | |||
Mean (±SD) | Mean (±SD) | Mean (±SD) | Mean (95% CI) | Mean (95% CI) | Mean (95% CI) | |||
EQ-5D | 0.49 (0.32) | 0.48 (0.29) | 0.43 (0.28) | 0.41 | 0.23 (0.17 to 0.29) | 0.22 (0.17 to 0.27) | 0.22 (0.16 to 0.29) | 0.92 |
ODI | 28 (21) | 30 (20) | 36 (20) | 0.001 | − 17 (− 21 to − 14) | − 15 (− 18 to − 10) | − 14 (− 18 to − 10) | 0.54 |