Copyright: ©Author(s) 2026.
World J Clin Cases. Sep 6, 2026; 14(25): 125054
Published online Sep 6, 2026. doi: 10.12998/wjcc.125054
Published online Sep 6, 2026. doi: 10.12998/wjcc.125054
Table 3 Number of opioid prescriptions between patients of different body mass index levels within 2 years of total knee arthroplasty after propensity score matching, mean ± SD
| Direct comparison | No. opioid prescriptions | Median | P value |
| BMI ≥ 30 kg/m² (n = 2779) | 4.18 ± 4.5 | 3 | 0.207 |
| BMI < 30 kg/m² (n = 2779) | 3.96 ± 4.1 | 3 | |
| BMI ≥ 40 kg/m² (n = 734) | 4.76 ± 7.0 | 3 | 0.614 |
| BMI 35-39.9 kg/m² (n = 734) | 4.52 ± 5.1 | 3 | |
| BMI ≥ 40 kg/m² (n = 792) | 4.75 ± 6.9 | 3 | 0.366 |
| BMI 30-34.9 kg/m² (n = 792) | 4.35 ± 4.4 | 3 | |
| BMI ≥ 40 kg/m² (n = 807) | 4.74 ± 6.8 | 3 | 0.596 |
| BMI < 30 kg/m² (n = 807) | 4.50 ± 5.1 | 3 | |
| BMI 35-39.9 kg/m² (n = 1126) | 4.62 ± 5.0 | 3 | 0.436 |
| BMI 30-34.9 kg/m² (n = 1126) | 4.39 ± 4.7 | 3 | |
| BMI ≥ 40 kg/m² (n = 750) | 4.73 ± 6.9 | 3 | 0.478 |
| BMI < 40 kg/m² (n = 750) | 4.39 ± 5.0 | 3 |
- Citation: Wu KA, Mai E, Warburton CS, Dhanjani S, Choudhury A, Docters F, Wong L, Prabhat A, Raza M, Maayan O, Song J, Shatkin M, Moucha CS, Hayden BL. Obesity and postoperative opioid utilization after total knee arthroplasty: A propensity-matched analysis. World J Clin Cases 2026; 14(25): 125054
- URL: https://www.wjgnet.com/2307-8960/full/v14/i25/125054.htm
- DOI: https://dx.doi.org/10.12998/wjcc.125054