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Table 3 Diagnostic performance of DT and e-tongue

From: Voltammetric analysis for fast and inexpensive diagnosis of urinary tract infection: a diagnostic study

  Dipstick E-tongue
Accuracy, % (95% CI) 75.9 (68–82.7) 81.7 (74.3–87.7)
Sensitivity, % (95% CI) 61.4 (45.5–75.6) 61.4 (45.5–75.6)
Specificity, % (95% CI) 82.5 (73.4–89.4) 90.8 (83.3–95.7)
PPV, % (95% CI) 61.4 (45.5–75.6) 75 (57.8–87.9)
NPV, % (95% CI) 82.5 (73.4–89.4) 84 (75.6–90.4)
Positive likelihood ratio (95% CI) 3.5 (2.1–5.7) 6.7 (3.4–1.3)
Negative likelihood ratio (95% CI) 46.8 (31.9–68.7) 42.5 (29.2–62.1)
Diagnostic odds ratio (95% CI) 747.4 (335.4–1665.7) 1570.6 (628.7–3923.6)
  1. PPV positive predictive value, NPV negative predictive value