Table 1 Patient characteristics and scintigraphy findings of the normal findings group versus the abnormal findings group
Normal findings (N = 62) | Abnormal findings (N = 81) | P value | |
|---|---|---|---|
Mean age, years (median and IQR) | 88 [86–90] | 86 [85–88] | 0.029 |
Age 90 years or oldera, n (%) | 18 (29) | 10 (12) | 0.018 |
Malea, n (%) | 35 (56) | 57 (70) | 0.11 |
Chest paina, n (%) | 17 (27) | 27 (33) | 0.47 |
Hypertension, n (%) | 45 (72) | 59 (72) | 1.00 |
Dyslipidemia, n (%) | 24 (38) | 41 (50) | 0.17 |
Diabetes mellitusa, n (%) | 19 (30) | 29 (35) | 0.59 |
Current or past smoking, n (%) | 13 (20) | 25 (30) | 0.25 |
Body mass index > 24, n (%) | 10 (16) | 14 (17) | 1.00 |
Peripheral artery disease, n (%) | 3 (4.8) | 9 (11) | 0.23 |
Dialysis, n (%) | 0 (0) | 3 (3.7) | 0.25 |
Atrial fibrillation/fluttera, n (%) | 19 (30) | 28 (34) | 0.72 |
Malignancy, n (%) | 4 (6.4) | 4 (4.9) | 0.72 |
Prior coronary angiography, n (%) | 13 (20) | 36 (44) | < 0.0001 |
Subsequent coronary angiography, n (%) | 4 (6.4) | 15 (18.2) | < 0.0001 |
Scintigraphy | |||
Adenosine provocation, n (%) | 35 (56) | 53 (65) | 0.183 |
Exercise test, n (%) | 4 (6) | 4 (4) | |
201TL/123I-BMIPP, n (%) | 10 (16) | 6 (7) | |
123I-BMIPP, n (%) | 13 (20) | 18 (22) | |
Scintigraphy findings | |||
Normal, n (%) | 62 (100) | 0 (0) | < 0.0001 |
Ischemia, n (%) | 0 (0) | 36 (44) | |
Infarction, n (%) | 0 (0) | 37 (45) | |
Ischemia and infarction, n (%) | 0 (0) | 8 (9.8) | |
Ejection fraction at rest (mean ± SD) | 73.8 ± 15.9 | 58.1 ± 25.4 | 0.011 |
Ejection fraction < 60%a | 4 (6) | 23 (28) | 0.0009 |