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) |