Table 3.

Comparison of within-run glucose prediction precision and accuracy for nominal 20 mmol/L glucose in different sample media.1

Sample mediumReference glucose, mmol/LMean predicted glucose, mmol/LSD predicted glucose, mmol/LCV predicted glucose, %Mean prediction bias, mmol/LMean relative prediction bias, %
Physiologic saline19.520.20.673.30.73.6
Synthetic ISF surrogate (11 g/L protein)18.719.30.301.60.63.2
Synthetic ISF surrogate (31 g/L protein)18.618.90.341.80.31.6
1:2 diluted plasma ISF surrogate (35 g/L protein assumed)19.620.20.412.00.63.1
Mean0.432.20.62.9
SD0.170.80.20.9
  • 1 All glucose predictions are from the saline calibration of Fig. 2 (n = 15 replicates per medium).