Demographic details and details about ReCIVA® breath samples collected in children
| Acute asthma | Stable asthma | Control | p-value | |
| Subjects n | 29 | 23 | 9 | |
| Age years | 10.5 (6) | 12 (4) | 11.5 (8) | 0.057# |
| Height cm | 139.5 (38) | 144.2 (27) | 142.3 (49) | 0.449# |
| Weight kg | 37.7 (30) | 40.5 (28) | 42.8 (44) | 0.418# |
| Boys | 16 (55.2) | 14 (60.9) | 6 (66.7) | 0.808¶ |
| Able to collect 100% of the target sample | 23 (79.3) | 15 (65.2) | 8 (88.9) | 0.300¶ |
| Time taken to collect sample s | 721.7 (257.8) | 765.8 (240.2) | 752.8 (294.8) | 0.265# |
Data are presented as median (interquartile range) or n (%), unless otherwise stated. #: Kruskal–Wallis test; ¶: Chi-squared test.