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. 2014 Feb 5;16(1):R43. doi: 10.1186/ar4472

Figure 2.

Figure 2

Graph showing three risk factors for Pneumocystis pneumonia. Logistic regression analysis identified three risk factors: age at least 65 years (hazard ratio (HR) = 4.37, 95% confidence interval (CI) = 1.04 to 18.2), coexisting pulmonary disease (HR = 8.13, 95% CI = 1.63 to 40.0) and the use of glucocorticoids (HR = 11.4, 95% CI = 1.38 to 90.9). The Disease Activity Score in 28 joints (DAS28) score (erythrocyte sedimentation rate (ESR)) and the duration of rheumatoid arthritis (RA) were not risk factors for Pneumocystis pneumonia.