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Table 4 Predictive values associated with lactic acid levels

From: Lactic acid level as an outcome predictor in pediatric patients with intussusception in the emergency department

Lactic acid level (mmol/L, n)Sensitivity
(%, n)
Specificity
(%, n)
PPV
(%, n)
NPV
(%, n)
OR
(95% CI)
P
≥1.5 (110/249)66.0 (33/50)61.3 (122/199)30.0 (33/110)87.8 (122/139)3.076 (1.604–5.897).001
≥2.0 (52/249)36.0 (18/50)82.9 (165/199)34.6 (18/52)83.8 (165/197)2.730 (1.376–5.417).006
≥2.5 (20/249)20.0 (10/50)95.0 (189/199)50.0 (10/20)82.5 (189/229)4.725 (1.845–12.103).002
≥3.0 (9/249)16.0 (8/50)99.5 (198/199)88.9 (8/9)82.5 (198/240)37.714 (4.594–309.634)< .001
  1. PPV Positive predictive value, NPV Negative predictive value, OR Odds ratio, CI Confidence interval