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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Pediatr Crit Care Med. 2016 Feb;17(2):157–164. doi: 10.1097/PCC.0000000000000590

Table 2.

Test characteristics of the original adult VAE and modified pediatric VAE criteria when compared to current CDC VAP (PNU2).

Sensitivity (95% CI) Specificity (95% CI) Positive LR (95% CI)
VACO 23% (11–39%) 96% (89–99%) 6.2(1.8–21.4)
IVACO 21% (9–36%) 96% (89–99%) 5.5(1.5–19.5)
Possible VAPO 21% (9–36%) 99%(93–100%) 16.4 (2.1–126.6)
Probable VAPO 18% (8–34%) 100% (95–100%) ∞
Modified Pediatric
VACMP 56% (40–72%) 85% (75–92%) 3.8 (2.1–6.8)
IVACMP 46% (30–63%) 94% (86–98%) 7.4(3.0–18.4)
Possible VAPMP 46% (30–63%) 99% (93–100%) 36.9 (4.1–266.6)
Probable VAPMP 33% (19–50%) 100% (96–100%) ∞

VAC=ventilator-associated condition; IVAC=infectious-ventilator associated condition; LR=likelihood ratio.