Table 4.
Reported FENO levels in healthy people and their association with other factors.
| Year | First author | Healthy people number and years | FENO levels in ppb mean ± SD or mean (range) | FENO associated |
|---|---|---|---|---|
| 2005 | Wong GK25 | n = 258(Chinese) (14.0 ± 1.6) yrs |
Male: 10.8 (7.8–17.6) Female: 9.1 (7.5–11.9) |
With gender, but not age, height, weight, BMI, or BSA |
| 2006 | Malmberg LP26 | n = 114 11.3 (7.2–15.7) yrs |
10.3 | With age, height, weight, and BSA, but not gender |
| 2008 | Kovesi T27 | n = 657 (10.8 ± 0.89) yrs |
14.0 ± 13.4 | Not with age, gender, or BMI |
| 2008 | Hervás D28 | n = 15 9.5 (6–16) yrs |
7.9 (5.9–10.6) | With gender and age |
| 2009 | Banovcin P29 | n = 27 (12 ± 4) yrs |
12.4 ± 1.2 | With gender and age. |
| 2010 | Matsunaga K30 | n = 240 (18–74) yrs |
16.9 (6.5–35.0) | Not with age, gender, or height |
| 2012 | Janahi L31 | n = 203 (12–18) yrs |
14.7 (5.0–90.5) | Negatively associated with age and gender BUT height, weight, BMI |
| 2013 | Zhang H32 | n = 300 (6–14) yrs |
Male:13, IQR 9–18 Female:10, IQR 8–14 |
With gender and age |
BMI, body mass index; BSA, body surface area; IQR, interquartile range.