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Fig. 3.

Morphine equi-analgesic dose of rescue analgesics. CACB: continuous adductor canal block, IVACB: intravenous patient-controlled analgesia with adductor canal block, 30 min: 30 minutes after surgery, 2 h: 2 hours after surgery, 4 h: 4 hours after surgery, 8 h: 8 hours after surgery, 24 h: 24 hours after surgery, 48 h: 48 hours after surgery. Morphine equi-analgesic dose of each time points were the summed dosage from the end of last measurement up to the current measurement.

Korean J Pain 2019;32:30~38
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