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Fig. 2 | Perioperative Medicine

Fig. 2

From: The effect of systemic lidocaine on post-operative opioid consumption in ambulatory surgical patients: a meta-analysis of randomized controlled trials

Fig. 2

Meta-analysis evaluating the effect of intraoperative lidocaine infusion on postoperative opioid consumption compared to control at 24 h after ambulatory surgery. The overall effect of intravenous lidocaine versus control was estimated as a random effect. The point estimate (95% confidence interval) for the overall effect was − 1.91 (− 3.80 to − 0.03) (P = 0.04) mg intravenous morphine equivalents

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Perioperative Medicine

ISSN: 2047-0525