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Table 2—

Sensitivity and specificity of serum HCO3 in diagnosing DKA defined by βOHB (≥3.0 mmol/l in children, ≥3.8 mmol/l in adults), using ROC analysis

HCO3 (mEq/l)Sensitivity (%)Specificity (%)
Children 21 98.8 60.5 
 18 91.9 86.0 
 15 81.4 93.0 
 10 57.0 97.7 
Adults 21 91.3 62.6 
 18 82.6 83.9 
 15 70.2 92.5 
 10 44.1 99.4 
HCO3 (mEq/l)Sensitivity (%)Specificity (%)
Children 21 98.8 60.5 
 18 91.9 86.0 
 15 81.4 93.0 
 10 57.0 97.7 
Adults 21 91.3 62.6 
 18 82.6 83.9 
 15 70.2 92.5 
 10 44.1 99.4 
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