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Table 4
Multivariate regression assessing predictors of higher opioid consumption.
| Odds ratio [95% CI] | p | |
|---|---|---|
| Age | 0.989 [0.981–0.997] | 0.010 |
| Male sex | 1.125 [0.847–1.493] | 0.418 |
| BMI | 1.003 [0.987–1.019] | 0.700 |
| Manual THA | 1.059 [0.749–1.496] | 0.747 |
| General anaesthesia | 2.386 [1.865–3.054] | <0.001 |
| Need for PACU admission | 2.098 [1.310–3.358] | 0.002 |
| ASA | 1.492 [1.193–1.866] | <0.001 |
| Preoperative Hb | 1.004 [0.992–1.015] | 0.314 |
| Postoperative Hb | 0.981 [0.970–0.992] | <0.001 |
| Year of surgery | 0.638 [0.579–0.703] | <0.001 |
BMI, body mass index; IMD, Index of Multiple Deprivation; PACU, Post Anaesthesia Care Unit; ASA, American Society of Anaesthesiologists Score; Hb, haemoglobin. Bold indicates statistical significance (p < 0.05).
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