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Table 1 Baseline and demographic characteristics of recruited subjects

From: A preliminary assessment of vital-signs-integrated patient-assisted intravenous opioid analgesia (VPIA) for postsurgical pain

ParametersNo. of patientsMean (SD)/ Percentage
Age; years1951.5 (8.8)
Race19 
 Chinese1368.4%
 Indian315.8%
 Malay210.5%
 Others15.3%
Weight; kg1962.0 (9.9)
BMI; kg/m21924.7 (4.4)
ASA Status19 
 I526.3%
 II1473.7%
Intraoperative morphine (mg)198.7 (1.3)
Intraoperative fentanyl (mcg)19102.0 (35.3)
  1. SD: Standard deviation