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Table 3 Accuracy parameters for DENV-4 in 325 febrile patients, Rio de Janeiro, March–April, 2013

From: Accuracy of clinical criteria and an immunochromatographic strip test for dengue diagnosis in a DENV-4 epidemic

  Sensitivity % (95 % CI) Specificity % (95 % CI) LR+ (95 % CI) LR− (95 % CI) PPV (95 % CI) NPV (95 % CI) OR (95 % CI)
WHO 1997 97.8 (93.8–99.6) 2.8 (1.0–6.9) 1.0 (1.0–1.1) 0.7 (0.2–3.0) 45.6 (39.9–51.5) 62.5 (24.5–91.5) 1.4 (0.3–6.0)
WHO 2009 87.1 (80.3–92.1) 24.3 (18.1–31.6) 1.1 (1.0–1.3) 0.5 (0.3–0.9) 48.8 (42.4–55.2) 69.5 (56.1–80.8) 2.2 (1.2–4.0)
INI-FIOCRUZ 70.9 (63.2–78.6) 71.8 (64.5–78.4) 2.5 (2.0–3.3) 0.4 (0.3–0.5) 67.6 (59.5–74.9) 75.3 (68.0–81.7) 6.4 (3.9–10.4)
NS1 44.5 (36.4–53.3) 97.8 (94.2–99.4) 19.5 (7.3–52.2) 0.6 (0.5–0.7) 94.1 (85.6–98.4) 68.3 (62.1–74.0) 34.4 (12.1–97.9)
WHO 1997 and NS1 44.2 (35.8–52.9) 97.6 (94.0–99.3) 18.3 (6.8–49.2) 0.6 (0.5–0.7) 93.9 (85.0–98.3) 67.8 (61.4–73.7) 32.1 (11.3–91.4)
WHO 2009 and NS1 40.6 (32.3–49.3) 98.2 (94.9–99.6) 22.6 (7.2–70.6) 0.6 (0.5–0.7) 94.9 (85.9–98.9) 66.7 (60.4–72.5) 37.3 (11.3–122.9)
INI-FIOCRUZ and NS1 29.7 (22.4–37.8) 98.9 (96.0–99.9) 26.2 (6.5–106.5) 0.7 (0.6–0.8) 95.6 (84.9–99.5) 63.2 (57.2–68.9) 36.9 (8.7–155.5)
  1. LR+ positive likelihood ratio, LR− negative likelihood ratio, PPV positive predictive value, NPV negative predictive value, OR odds ratio, CI confidence interval