Baseline characteristics of participants
| Stroke patients | Controls | Difference (95% CI) | p Value | ||
| Total number assessed | 27 | 30 | |||
| Age (years) | Mean (SD) | 68 (11) | 58 (11) | 10 (4 to 16) | 0.001* |
| Height (cm) | 169.6 (7.9) | 169.7 (12.2) | −0.1 (-5.6 to 5.6) | 0.997* | |
| Weight (kg) | Median (IQR) | 78.0 (69.0 to 86.7) | 72.1 (65.0 to 80.3) | 4.2 (-3.0 to 11.0) | 0.182† |
| Body mass index (kg/m2) | 27.5 (24.0 to 30.0) | 25.5 (23.0 to 29.0) | 1.0 (4.0 to −1.0) | 0.193† | |
| O2 saturations breathing air (%) | 97 (92 to 98) | 97 (95 to 98) | 0 (-1 to 1) | 0.660† | |
| Smoking (pack years) | 0 (0 to 20) | 0 (0 to 15) | 0 (0 to 5) | 0.485† | |
| Ethnicity: white European/other (N) | 21/6 | 28/2 | |||
| Proportion white European | 0.78 | 0.93 | −0.16 (−0.35 to 0.03) | 0.138‡ | |
| Sex: males/females (N) | 17/10 | 15/15 | |||
| Proportion male | 0.63 | 0.50 | 0.13 (−0.12 to 0.36) | 0.420‡ | |
| Smoking history: ever/never smoked (N) | 13/14 | 12/18 | |||
| Proportion ever smoked | 0.48 | 0.40 | 0.08 (−0.20 to 0.30) | 0.599‡ | |
*p Value calculated using unpaired t-test.
†p Value calculated using Mann-Whitney U test.
‡p Value calculated using Wilcoxon test.