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Table 4 Multivariate analyses of independent risk factors for inappropriate initial antibiotic treatment*

From: Clinical implications for patients treated inappropriately for community-acquired pneumonia in the emergency department

Variable

Adjusted odds ratio

95% CI

P value

Long-term care resident

9.05

3.93 – 20.84

0.008

Antibiotic exposure in previous 30 days

1.85

1.35 – 2.52

0.049

COPD

2.05

1.52 – 2.78

0.018

  1. *Other covariates not in the table had a p value >0.05 including previous hospitalization, mechanical ventilation or mask ventilation, CURB65 score, Charlson score, congestive heart failure, peripheral vascular disease, chronic kidney disease, hemodialysis, and ICU admission (Hosmer-Lemeshow goodness-of-fit test, p = 0.726). ICU = intensive care unit; COPD = chronic obstructive pulmonary disease, CURB65 = confusion of new onset, urea greater than 7 mmol/l, respiratory rate of 30 breaths per minute or greater, blood pressure less than 90 mmHg systolic or diastolic blood pressure 60 mmHg or less, age 65 or older.