Table 3

Radiology utilization among physicians and general adults
Modality Odds ratio* 95% CI P value
X-ray
 General adults 1.00
 Physicians 0.85 0.72–0.99 0.04
Sonography
 General adults 1.00
 Physicians 1.04 0.90–1.20 0.62
Computed tomography
 General adults 1.00
 Physicians 1.14 0.95–1.37 0.16
Magnetic resonance imaging
 General adults 1.00
 Physicians 2.19 1.68–2.84 <0.001
Radioisotope scanning
 General adults 1.00
 Physicians 0.97 0.66–1.42 0.87
Positron emission tomography
 General adults 1.00
 Physicians 1.57 0.39–6.40 0.53
Interventional procedures
 General adults 1.00
 Physicians 0.67 0.54–0.83 <0.001

*Values adjusted for age, sex, major diseases, urbanicity, and residential regions; 95% CI: 95% confidence interval.

Wu et al.

Wu et al. BMC Health Services Research 2013 13:284   doi:10.1186/1472-6963-13-284

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