CRP and susceptibility to pneumonia measurement: The CRP testing rate increased in the diagnostics of pneumonia from 61.3% to 77.5%, as can be seen in Figure 2 (OR 2.17; 95% CI = 1.83 to 2.59; P<0.001), and also increased in the diagnostics of acute bronchitis from 53.4% to 65.7% (OR 1.67; 95% CI = 1.50 to 1.86; P<0.001).