Research Article

Risk Factors for Postoperative Urinary Tract Infections in Patients Undergoing Total Joint Arthroplasty

Table 3

Independent risk factors for postop UTI as defined by multivariate logistic regression.

VariableOR (95% CI)

Sex (female)2.1 (1.6–2.7)
Diabetes
 Non-insulin dependent1.2 (0.9–1.7)
 Insulin dependent1.6 (0.9–2.5)
Smoker1.0 (0.6–1.5)
Dyspnea0.9 (0.6–1.4)
Functional status (dependent)0.9 (0.5–1.6)
COPD1.2 (0.7–2.0)
Hypertension0.9 (0.7–1.2)
Steroid use2.0 (1.2–3.2)
Bleeding disorder1.3 (0.8–2.2)
Age
 60–691.5 (1.0–2.1)
 70–792.0 (1.4–2.9)
 ≥802.3 (1.5–3.6)
History of PCI/cardiac surgery1.3 (0.9–1.8)
History of TIA/stroke1.1 (0.7–1.7)
ASA classes 3–51.5 (1.2–1.9)
Preop Cr > 1.351.8 (1.3–2.6)
Preop INR > 20.6 (0.2–2.0)
Operation time > mean + 1 SD (130 mins.)1.8 (1.3–2.4)
Anesthesia type
 Spinal0.9 (0.7–1.2)
 Other0.7 (0.4–1.3)

denotes significance.