Volume 7, Number 1—February 2001
Research
Preoperative Drug Dispensing as Predictor of Surgical Site Infection1
Table 3
Relationships between admission chronic disease score, chronic disease score, American Society of Anesthesiologists (ASA) score and surgical site infection
Unadjusted | Adjusteda | |||||
---|---|---|---|---|---|---|
Cases | Controls | |||||
Variable | (no.=51) | (no.=67) | p value | ORb (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
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.