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  Indian J Med Microbiol
 

Figure 2: ROC curve of FeNO in different sub-populations of patients. (A) ROC curve of FeNO in all patients (n=400). AUC of FeNO in identifying asthma in this patient group was 0.728 (95% CI 0.675-0.781, P <0.001); (B) ROC curve of FeNO in patients with allergy and rhinitis (n=122). AUC of FeNO in identifying asthma in this patient group was 0.752 (95% CI 0.640-0.865, P <0.001); (C) ROC curve of FeNO in patients without allergy or rhinitis (n=278). AUC of FeNO in identifying asthma in this patient group was 0.693 (95% CI 0.629-0.758, P <0.001). AUC, area under the curve; FeNO, fractional exhaled nitric oxide; ROC curve, receiver-operating characteristic curve; CI, confidence interval.

Figure 2: ROC curve of FeNO in different sub-populations of patients. (<b>A</b>) ROC curve of FeNO in all patients (n=400). AUC of FeNO in identifying asthma in this patient group was 0.728 (95% CI 0.675-0.781, <i>P</i> <0.001); (<b>B</b>) ROC curve of FeNO in patients with allergy and rhinitis (n=122). AUC of FeNO in identifying asthma in this patient group was 0.752 (95% CI 0.640-0.865, <i>P</i> <0.001); (<b>C</b>) ROC curve of FeNO in patients without allergy or rhinitis (n=278). AUC of FeNO in identifying asthma in this patient group was 0.693 (95% CI 0.629-0.758, <i>P</i> <0.001). AUC, area under the curve; FeNO, fractional exhaled nitric oxide; ROC curve, receiver-operating characteristic curve; CI, confidence interval.