Age, gender and baseline C5 compared by randomisation group
| No intervention | Mindfulness training | Voluntary suppression | p Value | |
| Healthy volunteers | ||||
| Number | 10 | 10 | 10 | |
| Mean (SD) age, years | 34.4 (11.1) | 33.1 (11.1) | 34.4 (10.2) | 0.921 |
| Gender M:F* | 3:7 | 1:9 | 2:8 | 0.001 |
| Median (IQR) baseline logC5 | −0.2M (−0.4 to 0.0) | −0.9M (−0.9 to 0.0) | −0.2M (−0.3 to 0.0) | 0.062 |
| Subjects with chronic cough | ||||
| Number | 11 | 10 | 9 | |
| Mean (SD) age, years | 54.2 (10.8) | 60.2 (8.1) | 61.11 (8.4) | 0.350 |
| Gender M:F* | 3:8 | 3:7 | 4:5 | 0.068 |
| Median (IQR) baseline logC5 | −0.9M (−1.5 to 0.0) | −0.8M (−1.3 to −0.5) | −0.9M (−0.9 to −0.3) | 0.798 |
Comparisons were made by Kruskall–Wallis test except where marked with an asterisk which were by χ2 test.
F, female; IQR, interquartile range; M, male.