Table 2.
Summary of exercise data for participants in the CSSCD who completed one or two exercise tests
| Variable | N | All participants | Participants with two exercise tests | |||
|---|---|---|---|---|---|---|
| N | First test | Second test | p value | |||
| Duration on treadmill (minutes), mean±SD | 223 | 11.6 ±5.2 | 100 | 12.1 ±5.0 | 12.2 ±4.7 | 0.764# |
| Peak incline, mean±SD | 208 | 12.1 ±6.2 | 79 | 12.3 ±5.5 | 12.4 ±5.9 | 0.882 |
| METS, mean±SD | 223 | 5.9 ±1.7 | 79 | 5.9 ±1.5 | 5.9 ±1.6 | 0.873 |
| Baseline, mean±SD | ||||||
| HR (bpm) | 223 | 77.1 ±14.2 | 97 | 75.6 ±14.0 | 78.2 ±14.8 | 0.05 |
| Systolic BP (mm Hg) | 221 | 119.0 ±17.1 | 97 | 114.9 ±14.3 | 120.4±16.3 | 0.002 |
| End of study, mean±SD | ||||||
| HR (bpm) | 220 | 151.8 ±21.2 | 90 | 153.2 ±23.8 | 149.5 ±18.9 | 0.111 |
| Systolic BP (mm Hg) | 211 | 163.4 ±30.2 | 80 | 157.2 ±25.8 | 162.3 ±23.9 | 0.123 |
| RPE | 213 | 8.3 ±2.2 | 95 | 8.5 ±2.0 | 8.1 ±2.9 | 0.403# |
| Stage completed, number (%) | ||||||
| 0 | 223 | 5 (2.2) | 99 | 1 (1.0) | 1 (1.0) | 0.784# |
| 1 − 2 | 223 | 25 (11.2) | 99 | 8 (8.1) | 9 (9.1) | |
| 3 − 4 | 223 | 51 (22.9) | 99 | 25 (25.3) | 22 (22.2) | |
| 5 − 6 | 223 | 56 (25.1) | 99 | 28 (28.3) | 33 (33.3) | |
| 7 − 8 | 223 | 48 (21.5) | 99 | 19 (19.2) | 16 (16.2) | |
| 9 − 10 | 223 | 38 (17.0) | 99 | 18 (18.2) | 18 (18.2) | |
| Symptoms, number (%) | ||||||
| Chest pain | 223 | 6 (2.7) | 99 | 5 (5.1) | 5 (5.1) | 1.00# |
| Dyspnea | 223 | 69 (30.9) | 99 | 28 (28.3) | 41 (41.4) | 0.016# |
| Dizziness | 223 | 13 (5.8) | 99 | 8 (8.1) | 6 (6.1) | 0.564# |
BP: blood pressure; HR: heart rate; METS; Metabolic Equivalent of Task; RPE: Rated Perceived Exertion; SD: standard deviation
#
Wilcoxon signed ranks test