. Author manuscript; available in PMC: 2012 Jul 1.

Published in final edited form as: Heart Lung. 2011 Mar 21;40(4):293–298. doi: 10.1016/j.hrtlng.2010.11.003

Table 4.

Characteristics of two studies of CRP levels.

Study	(Póvoa et al., 2005)	(Ramirez et al., 2008)	(Oppert, et al, 2002)
Number of Patients	84	20	28
Setting	Mixed ICU	Medical ICU	ICU – post resuscitation patients
Type of BAL	NR	NR	NR
Confirmation of VAP	≥ 10⁴ cfu/ml	NR	Sputum cultures and radiograph and/or positive blood culture
Previous and/or concurrent antibiotic use (%)	None	None	NR
VAP Positive Patients	48	9	12
Mean Serum CRP Value in VAP + Group (mg/dl)	19.6 (range 6.3– 32.9)	19.69 (range 11– 20.4)	NR
Serum CRP Cutoff Value (mg/dl)	9.6	19.69	NR
Sensitivity	88%	56%	NR
Specificity	86%	91%	NR

VAP, Ventilator-associated pneumonia; BAL, bronchoalveolar lavage; cfu, colony forming units; CRP, C-reactive protein; ICU, intensive care unit; NR, not reported