Table 5 Mean values and reference ranges for FENO (with 95% confidence intervals), based on prediction equations for males and females. For comparison, the measured values (with 95% confidence intervals) obtained in the Study members are provided
From: Factors affecting exhaled nitric oxide measurements: the effect of sex
| Â | Â | Males | Females | ||
|---|---|---|---|---|---|
Population | Â | F E NO (ppb) | 95% C.I. | F E NO(ppb) | 95% C.I. |
Non-smokers, non-atopic, non-asthmatic | Predicted | 15.6 | 14.1, 17.2 | 11.3 | 10.3, 12.4 |
| Â | Actual | 14.7 | 13.4, 16.1 | 11.2 | 10.3, 12.2 |
Non-smokers, atopic, non-asthmatic | Predicted | 22.6 | 18.3, 28.0 | 15.4 | 12.6, 18.9 |
| Â | Actual | 23.1 | 20.4, 26.2 | 15.6 | 13.9,, 17.4 |
Non-smokers, non-atopic, asthmatic | Predicted | 19.5 | 15.3, 24.9 | 12.4 | 9.4, 16.3 |
| Â | Actual | 22.5 | 8.0, 63.8 | 11.5 | 7.0, 18.9 |
Non-smokers, atopic, asthmatic | Predicted | 28.3 | 19.8, 40.5 | 16.9 | 11.5, 24.9 |
| Â | Actual | 30.4 | 23.9, 38.7 | 17.2 | 13.5, 22.1 |
Smokers (not smoked on the day of testing), non-atopic, non-asthmatic | Predicted | 12.6 | 9.9, 18.2 | 8.7 | 6.7, 11.3 |
| Â | Actual | 13.0 | 11.0, 15.2 | 9.6 | 7.8, 11.7 |
Smokers (not smoked on the day of testing), atopic, non-asthmatic | Predicted | 18.2 | 12.8, 25.5 | 11.8 | 8.2, 17.2 |
| Â | Actual | 17.6 | 14.1, 22.0 | 10.9 | 8.7, 13.8 |
Smokers (not smoked on the day of testing), non-atopic, asthmatic | Predicted | 15.7 | 10.7, 22.8 | 21.8 | 9.2, 51.8 |
| Â | Actual | 12.0 | 7.5, 19.5 | 16.0 | 0.3, 743.5 |
Smokers (not smoked on the day of testing), atopic, asthmatic | Predicted | 22.8 | 13.6, 36.9 | 29.8 | 11.3, 79.0 |
| Â | Actual | 24.0 | 17.8, 32.4 | 32.3 | 14.6, 71.2 |
Smokers (smoked on the day of testing), non-atopic, non-asthmatic | Predicted | 7.0 | 5.6, 8.8 | 6.5 | 5.1, 8.2 |
| Â | Actual | 7.3 | 6.4, 8.3 | 6.5 | 5.8, 7.3 |
Smokers (smoked on the day of testing), atopic, non-asthmatic | Predicted | 10.1 | 7.2, 14.0 | 8.9 | 6.3, 12.5 |
| Â | Actual | 10.2 | 8.8, 11.8 | 8.9 | 7.3, 10.9 |
Smokers (smoked on the day of testing), non-atopic, asthmatic | Predicted | 8.7 | 6.0, 12.5 | 8.0 | 3.8, 17.0 |
| Â | Actual | 8.9 | 7.3, 10.9 | 8.1 | 4.0, 16.4 |
Smokers (smoked on the day of testing), atopic, asthmatic | Predicted | 12.6 | 7.6, 20.3 | 11.0 | 4.6, 26.0 |
| Â | Actual | 9.3 | 6.2, 13.8 | 10.9 | 6.6, 18.0 |