Baseline (fasting) values (mean of two consecutive measurements for each subject) for NO output (nl/min) and nitrate and nitrite in condensate and saliva (µM)
| Gas | Condensate | Saliva | |||
|---|---|---|---|---|---|
| NO output | Nitrate | Nitrite | Nitrate | Nitrite | |
| *p<0.05, **p<0.01, ***p<0.001 compared with oral values in the same subjects (Wilcoxon test). | |||||
| †p<0.05, ††p<0.01, †††p<0.001 compared with values in tracheostomised subjects (Mann-Whitney test). | |||||
| Tracheostomised subjects | |||||
| Oral | 36.3 (5.9) | 19.3 (3.4) | 1.1 (0.2) | 606 (224) | 91 (19) |
| Tracheal | 17.6 (4.2)** | 19.5 (3.4) | 0.5 (0.1)* | ||
| Non-tracheostomised subjects | |||||
| Oral | 53.2 (5.8)†† | 20.0 (3.6) | 3.4 (0.2)††† | 1318 (226)†† | 252 (90)† |
| Nasal | 285 (24)*** | 25.4 (4.9) | 2.1 (0.4)* | ||