Table 1

Patient demographic and basic clinical characteristics (N = 40).

Characteristics n MeanRangeSD
Sex, n
 Men13   
 Women27   
Age, y 14.3911–212.02
Body weight, kg 57.3937–10016.73
Cobb angle, degrees
 Preoperative 53.526–8310.5
 Postoperative 16.32–5610.3
Total mean opioid
 MME/per 0–12 h 9.240–19.46.6
 MME/per 13–24 h 16.80–35.212.6
 MME/kg/0–12 h 0.160–0.440.1
 MME/kg/13–24 h 0.2470–0.770.17
Postoperative NRS pain score
 12 h postoperative 2.750–72.12
 13–24 h postoperative 3.100–92.3

  • Abbreviations: MME: morphine milligram equivalents; NRS: Numeric Rating Scale.