Demographic details and details about ReCIVA® breath samples collected in adults
| Acute asthma or COPD# | Acute heart failure | Pneumonia | Control | p-value | |
| Subjects n | 22 | 14 | 15 | 14 | |
| Age years | 69 (19) | 72 (14) | 59 (31) | 63.5 (9) | 0.055¶ |
| Height cm | 165.5 (18) | 167 (21) | 161 (14) | 167 (19) | 0.648¶ |
| Weight kg | 77 (31) | 88.2 (41) | 75 (28) | 77.7 (30) | 0.489¶ |
| Males | 15 (68.2) | 9 (64.3) | 7 (46.7) | 6 (42.9) | 0.359+ |
| Able to collect 100% of the target sample | 21 (95.5) | 14 (100) | 15 (100) | 14 (100) | 0.576+ |
| Time taken to collect sample s | 572.6 (206.2) | 723.2 (249.3) | 656.7 (289.1) | 582.8 (173.0) | 0.001§ |
Data are presented as median (interquartile range) or n (%), unless otherwise stated. #: acute asthma n=1, acute COPD n=21; ¶: Kruskal–Wallis test; +: Chi-squared test; §: Dunn's post-hoc analysis (significant difference between (p<0.05): acute asthma/COPD and acute heart failure, acute asthma/COPD and pneumonia, control and acute heart failure).