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Table 3 Postoperative sufentanil consumption and invalid press of PCA. Values are the mean (SD) and median (IQR)

From: The effect of perineural dexamethasone on rebound pain after ropivacaine single-injection nerve block: a randomized controlled trial

  Dexamethasone
(n = 63)
Control
(n = 60)
p value
Sufentanil consumption 24 h, μg 50.49 ± 2.62 66.22 ± 4.05 < 0.001
Sufentanil consumption 48 h, μg 97.76 ± 6.01 108.01 ± 7.13 0.391
Percentage of invalid press 24 h (%) 0.0 (0.0, 22.2) 13.2 (0.0, 29.6) 0.039
Percentage of invalid press 48 h (%) 0.0 (0.0, 20.0) 11.1 (0.0, 29.4) 0.043