Emerging Infectious Disease ISSN: 1080-6059

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Preoperative Drug Dispensing as Predictor of Surgical Site Infection¹

Keith S. Kaye*

, Kenneth Sands*, James G. Donahue†, K. Arnold Chan†, Paul Fishman‡, and Richard Platt†

Author affiliations: *Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA; †Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; ‡Group Health Cooperative of Puget Sound, Seattle, Washington, USA; *†the Eastern Massachusetts CDC Prevention Epicenter

Main Article

Table 3

Relationships between admission chronic disease score, chronic disease score, American Society of Anesthesiologists (ASA) score and surgical site infection

			Unadjusted		Adjusted^a
	Cases	Controls
Variable	(no.=51)	(no.=67)	p value	OR^b (95% CI)	p value	OR (95% CI)
Admission chronic disease score >4,500 (%)	18 (35)	5 (7)	< 0.001	6.8 (2.3-19.9)	0.003	6.2 (1.9-20.4)
Chronic disease score >5000 (%)	22 (43)	17 (25)	0.05	2.2 (1.0-4.9)	0.32	1.6 (0.6-3.9)
ASA >3 (%)	39 (83)^c	36 (58)^d	0.007	3.5 (1.4-8.8)	0.03	3.4 (1.1-10.2)

^aAdjusted for sex, age, type of anesthesia, emergency nature of the procedure, procedure duration (ordinal) and wound class.
^bOR=Odds ratio.
^cFour cases had missing ASA scores.
^dFive controls had missing ASA scores

Main Article

¹This study was presented in part at the Society for Healthcare Epidemiology of America annual meeting, San Francisco, California, April 1999, and at the 4th Decennial International Conference on Nosocomial and Health Care-Associated Infections, Atlanta, Georgia, March 2000.

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