Table 3. Randomized Participant Angina and Heart Failure History Intent-to-Treat Population, Imaging Stress Test vs Exercise Tolerance Test.
| Characteristic | No./Total No. (%) | ||
|---|---|---|---|
| Total (n = 5179) | Imaging Stress Test (n = 3909) | Exercise Tolerance Test (n = 1270) | |
| Baseline Seattle Angina Questionnaire Angina Frequency scale | |||
| No. | 5108 | 3861 | 1247 |
| Median (IQR) | 80 (70-100) | 90 (70-100) | 80 (60-90) |
| Baseline Seattle Angina Questionnaire Angina Frequency scale score | |||
| Daily (0-30) | 116/5108 (2.3) | 105/3861 (2.7) | 11/1247 (0.9) |
| Weekly (31-60) | 995/5108 (19.5) | 615/3861 (15.9) | 380/1247 (30.5) |
| Monthly (61-99) | 2241/5108 (43.9) | 1641/3861 (42.5) | 600/1247 (48.1) |
| No angina in past month (100) | 1756/5108 (34.4) | 1500/3861 (38.9) | 256/1247 (20.5) |
| Participant has ever had angina | 4643/5179 (89.7) | 3386/3909 (86.6) | 1257/1270 (99.0) |
| Angina during the past mo | |||
| None | 1039/5177 (20.1) | 971/3908 (24.8) | 68/1269 (5.4) |
| CCS Angina Class I | 1384/5177 (26.7) | 1131/3908 (28.9) | 253/1269 (19.9) |
| CCS Angina Class II | 2524/5177 (48.8) | 1612/3908 (41.2) | 912/1269 (71.9) |
| CCS Angina Class III | 230/5177 (4.4) | 194/3908 (5.0) | 36/1269 (2.8) |
| CCS Angina Class IV | 0/5177 | 0/3908 | 0/1269 |
| New onset of angina during the past 3 mo | 858/4918 (17.4) | 547/3668 (14.9) | 311/1250 (24.9) |
| Angina began or became more frequent during the past 3 mo | 1358/4637 (29.3) | 961/3380 (28.4) | 397/1257 (31.6) |
| Prior heart failure | 206/5179 (4.0) | 184/3909 (4.7) | 22/1270 (1.7) |
| Ejection fractiona | |||
| No. | 4637 | 3673 | 964 |
| Median (IQR) | 60 (55-65) | 60 (55-65) | 60 (60-65) |
| Heart failure status over the past mo | |||
| None | 3164/5179 (61.1) | 2305/3909 (59.0) | 859/1270 (67.6) |
| NYHA Class I | 999/5179 (19.3) | 820/3909 (21.0) | 179/1270 (14.1) |
| NYHA Class II | 1016/5179 (19.6) | 784/3909 (20.1) | 232/1270 (18.3) |
| NYHA Class III | 0/5179 | 0/3909 | 0/1270 |
| NYHA Class IV | 0/5179 | 0/3909 | 0/1270 |
Abbreviations: CCS, Canadian Cardiovascular Society; IQR, interquartile range.
a
Site-reported value, if available. If not available, then core laboratory entered value.