Table 2 Onset time, incidence and severity of cough in the four groups
Cough | Group 1 | Group 2 | Group 3ac | Group 4ac | |
|---|---|---|---|---|---|
Onset time (s, −x ± s) | 11.8 ± 4.5 | 17.5 ± 6.5b | 17.4 ± 5.7b | 17.2 ± 5.8b | |
Incidence (n, %) | 22 (52.4) | 18 (42.9) | 5 (11.9) | 6 (14.3) | |
Severity (n, %) | 0 (No cough) | 20 (47.6) | 24 (57.1) | 37 (88.1) | 36 (85.7) |
1 (Mild) | 8 (19.0) | 8 (19.0) | 3 (7.1) | 5 (11.9) | |
2 (Moderate) | 8 (19.0) | 6 (14.3) | 1 (2.4) | 1 (2.4) | |
3 (Severe) | 6 (14.3) | 4 (9.5) | 1 (2.4) | 0 (0) | |