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Heart rate (mean and 95% Confidence Interval) according to group and time. Horizontal axis: 0 (baseline), 15, 30, 60, 90, 120 minutes, and at Postanesthesia Care Unit (PACU). Variable group (p = 0.054); variable time (p = 0.000); variable time versus group (p = 0.12). Generalized estimating equations model.
