Symptoms | Positive predictive value (%) | Negative predictive value (%) | Sensitivity (%) | Specificity (%) |
---|---|---|---|---|
Frequent cough 36 | 31.25 | 82.80 | 27.02 | 85.52 |
Chronic cough 37 | 40.00 | 82.18 | 16.21 | 94 |
Frequent phlegm 38 | 36.11 | 84.31 | 35.13 | 84.86 |
Chronic phlegm 39 | 42.10 | 82.94 | 21.62 | 92.76 |
Frequent wheeze 40 | 50.00 | 85.27 | 35.13 | 91.44 |
Chronic wheeze 41 | 47.36 | 83.52 | 18.91 | 93.42 |
Shortness of breath grade I 42 | 35.29 | 83.87 | 32.43 | 85.52 |
Shortness of breath grade II 43 | 40.00 | 82.84 | 21.62 | 92.10 |
Composite variable for frequent symptoms 44 | 31.66 | 86.04 | 51.35 | 73.02 |
Composite variable for chronic symptoms 45 | 37.83 | 84.86 | 37.83 | 84.86 |
Self-reported asthma 46 | 31.57 | 81.76 | 16.21 | 91.44 |
Physician diagnosed asthma 47 | 45.45 | 82.02 | 13.51 | 96.05 |