Table 1.
Demographic and clinical characteristics of the pooled chronic cough population and subgroups with (SPC+) and without (SPC−) somatic points for cough.
| Pooled (n = 317) | SPC+ (n = 169) | SPC− (n = 148) | p valuea | |
|---|---|---|---|---|
| Females, n (%) | 233 (73.5) | 134 (79.3) | 99 (66.9) | 0.012 |
| Age (years), mean ± SD | 59.0 ± 13.9 | 58.8 ± 13.2 | 59.40 ± 14.7 | 0.451 |
| Body Mass Index, mean ± SD | 25.56 ± 4.19 | 25.33 ± 4.27 | 25.83 ± 4.10 | 0.633 |
| Never smoked, n (%) | 237 (75) | 125 (74) | 112 (75) | |
| Ex-smoker, n (%) | 55 (17) | 31 (18) | 26 (17) | |
| Current smoker, n (%) | 25 (8) | 13 (8) | 10 (8) | |
| Cough duration, years (mean, IQ) | 3.00 (1, 10) | 3.1 (1, 9.5) | 3.05 (1, 10) | 0.425 |
| Cough score, mean ± SD | 5.4 ± 2.0 | 5.7 ± 1.4 | 5.01 ± 1.5 | 0.047 |
Participants had no missing data at visit 1.
IQ, interquartile range; n, number of patients; SD, standard deviation.
Comparing SPC+ and SPC− subgroups.