. Author manuscript; available in PMC: 2013 May 24.

Published in final edited form as: Infect Control Hosp Epidemiol. 2011 Feb;32(2):148–154. doi: 10.1086/657936

TABLE 4.

Validity of the International Classification of Diseases, 9th Revision, Clinical Modification Code V09 for Prediction of Methicillin-Resistant Staphylococcus aureus Infection, According to Type of Infection

Source of culture sample	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)
Blood	29.3 (27.1–31.5)	99.1 (99.1–99.2)	10.4 (9.5–11.3)	99.8 (99.7–99.8)
Sputum	14.4 (12.9–16.0)	99.1 (99.1–99.1)	6.5 (5.8–7.2)	99.6 (99.6–99.6)
Urine	19.2 (15.5–22.9)	99.1 (99.0–99.1)	1.8 (1.4–2.2)	99.9 (99.9–99.9)
Wound	29.5 (27.7–31.3)	99.2 (99.2–99.2)	16.4 (15.3–17.5)	99.6 (99.6–99.6)
Any of the above	24.0 (22.9–25.1)	99.3 (99.3–99.3)	30.8 (29.4–32.1)	99.1 (99.0–99.1)

note. NPV, negative predictive value; PPV, positive predictive value.