Table 3.

Cutoff points for Injury Severity Score in development of Acute Respiratory Distress Syndrome

Injury Severity Score	Sensitivity (%) (95% CI)	Specificity (%) (95% CI)	Likelihood Ratio (+) (95% CI)	Likelihood Ratio (−) (95% CI)
≥ 3	99.4 (98.9–99.8)	20.2 (19.7–20.7)	1.3 (1.2–1.3)	0.0 (0.0-0.0)
≥ 5	98.6 (98.0–99.0)	30.7 (30.2–31.3)	1.4 (1.4–1.4)	0.1 (0.0–0.1)
≥ 10	94.1 (93.0–95.3)	60.6 (60.0–61.2)	2.4 (2.3–2.5)	0.1 (0.1-0.1)
≥ 14	87.6 (86.0–89.3)	71.1 (70.5–71.6)	3.0 (2.9–3.1)	0.2 (0.2-0.2)
≥ 16	84.9 (83.0–86.6)	75.6 (75.1–76.2)	3.5 (3.3–3.6)	0.2 (0.2–0.3)
≥ 18	76.3 (74.2–78.4)	81.8 (81.3–82.2)	4.2 (4.0–4.4)	0.3 (0.3-0.3)
≥ 20	73.6 (71.4–75.8)	84.1 (83.6–84.5)	4.6 (4.4–4.9)	0.3 (0.3-0.3)
≥ 25	61.9 (59.5–64.3)	89.5 (89.2–89.9)	5.9 (5.5–6.4)	0.4 (0.4–0.5)
≥ 33	38.3 (35.9–40.8)	95.3 (95.0–95.5)	8.1 (7.2–9.1)	0.7 (0.6–0.7)