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Table 3 Intraclass correlation coefficients with 95% confidence intervals (a single measurement, consistency, 2-way mixed-effects model) for IO1 versus arterial sample results

From: Intraosseous blood samples for point-of-care analysis: agreement between intraosseous and arterial analyses

 

ICC (95% CI)

Na (mmol/l)

0.174 (−0.200; 0.503)

K (mmol/l)

0.050 (−0.317; 0.404)

iCa (mmol/l)

−0.004a (−0.364; 0.358)

pH

0.513 (0.187; 0.738)

BE (mmol/l)

0.837 (0.682; 0.738)

HCO3 (mmol/l)

0.765 (0.559; 0.883)

pO2 (kPa)

0.282 (−0.095; 0.588)

pCO2 (kPa)

0.460 (0.119; 0.704)

Hb (g/l)

0.104 (−0.274; 0.454)

Hct (%)

0.100 (−0.277; 0.451)

Gluc (mmol/l)

0.779 (0.571; 0.893)

Lact (mmol/l)

0.738 (0.497; 0.873)

  1. a ICC is negative due to low between-subjects variance