Table 5 Stratified analysis of the difference between K+ measured by AA and ABG
Group mmol/l | No. of values | Mean difference mmol/l | SD difference mmol/l | Max. difference mmo/l | Min. difference mmol/l |
|---|---|---|---|---|---|
>5.0 | 58 | 0.44 | 0.05 | 1.8 | 0.0 |
3.5–5.0 | 106 | 0.46 | 0.03 | 1.6 | 0.0 |
<3.5 | 36 | 0.42 | 0.02 | 2.4 | 0.0 |