Baseline clinical characteristics of the study subjects and differences between the two groups
| Characteristics | Study subjects (n=67) | Disease group (n=33) | Risk group (n=34) | p Value |
|---|---|---|---|---|
| Age, years (mean±SD) | 56±13 | 61±10 | 51±14 | 0.001 |
| Male, n (%) | 49 (73) | 28 (85) | 21 (62) | ns |
| Heart rate, bpm (mean±SD) | 77±12 | 75±11 | 80±13 | ns |
| SBP, mm Hg (mean±SD) | 133±17 | 133±17 | 134±17 | ns |
| DBP, mm Hg (mean±SD) | 78±9 | 76±8 | 79±9 | ns |
| BMI, kg/m2 (mean±SD) | 28±6 | 26±4 | 30±7 | 0.004 |
| WC, inches (mean±SD) | 40±5 | 39±4 | 42±5 | 0.0006 |
| Functional capacity | ||||
| 6MWD, metres (mean±SD) | 420±122 (n=56) | 420±124 (n=29) | 419±116 (n=27) | ns |
| TMT, METs (mean±SD) | 5±2 (n=11) | 5±2 (n=4) | 5±2 (n=7) | ns |
6MWD, 6 min walk distance; BMI, body mass index; DBP, diastolic blood pressure; METs, metabolic equivalents; ns, not significant; SBP, systolic blood pressure; TMT, treadmill test; WC, waist circumference.