| Full cohort (n = 159) | Cohort excluding reported lung disease (n = 129) | ||||
---|---|---|---|---|---|---|
 | AUC | 95% CIa | P value | AUC | 95% CIa | P value |
Symptoms onlyb | 0.61 | (0.53 to 0.69) | - | 0.64 | (0.55 to 0.76) | - |
Symptoms + other factorsc | 0.77 | (0.68 to 0.86) | 0.0006* | 0.79 | (0.67 to 0.89) | 0.005* |
Symptoms + factors + lung diseased | 0.80 | (0.71 to 0.87) | 0.26** | - | - | - |