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Table 2 Odds ratio of actual use of a chest x-ray following a visit diagnosis of pneumonia (whether referred or not referred)

From: Community-acquired pneumonia – use of chest x-rays for diagnosis in family practice

Variable

 

OR (95% CI)

Gender

Men

1.00

Women

0.95 (0.84–1.08)

Age (years)

18–39

1.00

40–64

1.20 (1.02–1.41)*

65+

1.30 (1.09–1.55) **

Distance to the radiology facility

Out of the city

1.00

In the clinic or in the city

2.44 (2.14–2.77) ***

Smoking

Never

1.00

Past or current

1.08 (0.91–1.28)

Chronic comorbidities

None

1.00

At least one

0.74 (0.63–0.87)***

  1. The model included 4,230 patients, 45.4% of whom performed chest x-rays
  2. * p-value < 0.05, ** p-value < 0.01, ***p-value < 0.001