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Table 1 Baseline and kinetic data for injected glucose and fluid during an intravenous glucose tolerance test before and after hip replacement surgery in 22 patients

From: Plasma volume expansion from the intravenous glucose tolerance test before and after hip replacement surgery

  Before surgery After surgery Statistics
Plasma glucose, baseline (mmol/L) 5.6 (5.3-5.8) 6.0 (5.8-6.5) P < 0.001
B-Hb concentration (g/dL) 12.4 (12.0-13.3) 10.0 (9.0-10.6) P < 0.001
Glucose kinetics    
 Vd (L) 12.7 (10.2-15.6) 14.0 (12.1-14.8) NS
CL (ml/min) 325 (272–385) 260 (220–306) P < 0.02
 T1/2 (min) 30 (19–34) 36 (30–45) P < 0.02
Fluid kinetics, no glucose uptake    
 V (L) 2.94 (2.17-3.60) 2.83 (2.62-3.22) NS
CL (ml/min) 200 (70–261) 93 (64–189) P < 0 001
 T1/2 (min) 12 (5–30) 21 (10–33) P < 0.001
Fluid kinetics, with glucose uptake    
 V (L) 2.79 (2.50-3.42) 2.73 (2.40-3.05) NS
CL (ml/min) 37 (−7 to 165) 9 (−14 to 55) P < 0.02
  1. Data is the median and 25th-75th percentile limits.
  2. The Wilcoxon matched-pair test was used for statistics. NS = not statistically significant.