Table 1.
Cohort demographics and risk factor differences between main study groups
| Patient characteristics and risk factors | Overall (n = 48) | Symptoms |
p value | |
|---|---|---|---|---|
| yes (n = 34) | no (n = 14) | |||
| Age, mean (years) | 74.5±9.8 | 74.5±10.2 | 74.4±9.0 | 0.9639 |
| Sex, male | 28 (58.3) | 21 (61.8) | 7 (50.0) | 0.4524 |
| Stenosis, % | 72.9±15.0 | 76.7±14.9 | 63.8±11.0 | 0.0055 |
| Hypertension | 41 (85.4) | 29 (85.3) | 12 (85.7) | 1.0000 |
| Diabetes | 13 (27.1) | 10 (29.4) | 3 (21.4) | 0.7279 |
| Hyperlipidemia | 35 (72.9) | 25 (73.5) | 10 (71.4) | 1.0000 |
| A-fib | 10 (20.8) | 6 (17.7) | 4 (28.6) | 0.4480 |
| CAD | 5 (10.4) | 4 (11.8) | 1 (7.1) | 1.0000 |
| Smoking history | 29 (60.4) | 21 (61.8) | 8 (57.1) | 1.0000 |
| Heart failure | 3 (6.3) | 1 (2.9) | 2 (14.3) | 0.1999 |
| COPD | 3 (6.3) | 2 (5.9) | 1 (7.1) | 1.0000 |
| CKD | 1 (2.1) | 0 (0) | 1 (7.1) | 0.2917 |
Mean values are shown with the number of subjects shown in parenthesis and standard deviations shown after ± signs.