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Table 2 Initial demand of post-operative analgesic, morphine consumption, QoR-40 scores, NRS values (24 h)

From: Gradual withdrawal of remifentanil delays initial post-operative analgesic demand after thyroid surgery; double-blinded, randomized controlled trial

 

Remifentanil group

Control group

P value for difference between groups

Time to administration of the first iv morphine bolus (min)

76.3 ± 89.0 (45.0)

9.0 ± 13.5 (3.5)

0.006

Supplementary postoperative morphine during the first 4 post-operative hours (mg)

6.4 ± 5.1 (6.0)

8.3 ± 3.9 (8.0)

0.251

Supplementary morphine, including the administration at the beginning of surgery, during the first 4 post-operative hours (mg)

16.6 ± 4.9 (17.0)

18.0 ± 4.2 (18.5)

0.325

Numeric rating scale score for pain at rest 24 h after surgery

1.85 ± 1.46 (2.5)

0.91 ± 1.37 (0.0)

0.113

QoR-40 score

173.4 ± 16.3 (176.0)

179.0 ± 10.8 (178.5)

0.513

  1. Data as Mean ± SD (median) - Analysis by Mann-Whitney U test