The Usefulness of Confusion, Urea, Respiratory Rate, and Shock Index or Adjusted Shock Index Criteria in Predicting Combined Mortality and/or ICU Admission Compared to CURB-65 in Community-Acquired Pneumonia

Table 3

Sensitivity, specificity, positive and negative predictive value, and corresponding 95% confidence intervals for CRB-65, CRSI, and CRASI criteria for six-week mortality and for mortality and/or ICU admission in 95 community-acquired pneumonia cases.

All (𝑛=95)	Mortality			Mortality and/or; ICU admission
	CRB-65	CRSI	CRASI	CRB-65	CRSI	CRASI
Sensitivity	50.0%; (17.4–82.5)	75.0%; (35.6–95.5)	75.0%; (35.6–95.5)	33.3%; (11.3–64.6)	58.3%; (28.6–83.5)	58.3%; (28.6–83.5)
Specificity	91.9%; (83.6–96.4)	83.9%; (74.1–90.6)	85.0%; (75.4–91.5)	91.6%; (82.8–96.2)	84.3%; (74.3–91.1)	85.5%; (75.7–91.9)
Positive predictive value	36.4%; (12.4–68.4)	30%; (12.8–54.3)	31.6%; (13.5–56.5)	36.4%; (12.4–68.4)	35.0%; (16.3–59.0)	36.8%; (17.2–61.3)
Negative predictive value	95.2%; (87.6–98.5)	97.3%; (89.8–99.5)	97.4%; (89.9–99.5)	90.5%; (81.6–95.5)	93.3%; (84.5–97.5)	93.4%; (84.7–97.5)