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Table 1

From: Accuracy of point-of-care blood glucose measurements in the medical ICU

  Mean ± SD (mmol/l) Bias (mmol/l) r2 (95% CI) Cb Discrepancy (%)
Reference 7.7 ± 2.8 NA NA NA NA
Accu-Chek, capillary 9.3 ± 2.7 1.6 ± 1.4 0.874 (0.818 - 0.914) 0.848 65.3 (62/95)
Accu-Chek, arterial 9.1 ± 2.6 1.4 ± 1.5 0.835 (0.758 - 0.889) 0.867 59.8 (52/87)
ABL-700, arterial 8.7 ± 3.0 1.1 ± 1.1 0.925 (0.890 - 0.950) 0.930 35.8 (34/95)
Laboratory, arterial 8.3 ± 2.8 0.6 ± 1.2 0.908 (0.864 - 0.938) 0.978 21.5 (20/93)
  1. r2, Pearson correlation coefficient; Cb, bias correction factor