Table 1 Characteristics of the patients at baseline.
Room-temperature group (N = 66) | Low-temperature group (N = 66) | P-value | SMD | |
|---|---|---|---|---|
Demographics | ||||
Age (years) | 70.86 ± 8.63 | 70.88 ± 7.43 | 0.991 | 0.002 |
Male sex, n (%) | 45 (68.2) | 45 (68.2) | 1.000 | < 0.001 |
Physical measurements | ||||
Height (cm) | 165.52 ± 7.53 | 165.82 ± 7.56 | 0.818 | 0.040 |
Weight (kg) | 65.36 ± 10.91 | 67.83 ± 11.40 | 0.206 | 0.221 |
BMI (kg/m2) | 23.79 ± 3.14 | 24.62 ± 3.49 | 0.153 | 0.250 |
Risk factors | ||||
Dyslipidemia, n (%) | 17 (25.8) | 17 (25.8) | 1.000 | < 0.001 |
Hypertension, n (%) | 51 (77.3) | 53 (80.3) | 0.670 | 0.074 |
Current smoking, n (%) | 13 (19.7) | 18 (27.3) | 0.305 | 0.179 |
Diabetes, n (%) | 27 (40.9) | 32 (48.5) | 0.381 | 0.153 |
Medical history | ||||
Previous PCI | 17 (25.8) | 18 (27.3) | 0.844 | 0.034 |
Previous stroke | 11 (16.7) | 9 (13.6) | 0.627 | 0.085 |
Chronic renal dysfunction | 5 (7.6) | 9 (13.6) | 0.258 | 0.198 |
Peripheral artery disease | 4 (6.1) | 4 (6.1) | 1.000 | < 0.001 |
Left ventricular ejection fraction (%) | 52.93 ± 7.66 | 54.31 ± 7.59 | 0.309 | 0.181 |
Presentation at admission | 0.822 | 0.109 | ||
Silent ischemia, n (%) | 41 (62.1) | 38 (57.6) | ||
Stable angina, n (%) | 18 (27.3) | 19 (28.8) | ||
Unstable angina, n (%) | 7 (10.6) | 9 (13.6) | ||
Medication before PCI | ||||
Aspirin, n (%) | 66 (100.0) | 66 (100.0) | 1.000 | < 0.001 |
P2Y12 inhibitor, n (%) | 66 (100.0) | 66 (100.0) | 1.000 | < 0.001 |
Clopidogrel, n (%) | 36 (54.5) | 32 (48.5) | 0.486 | 0.121 |
Ticagrelor, n (%) | 30 (45.5) | 34 (51.5) | 0.486 | 0.121 |
Oral anticoagulant, n (%) | 11 (16.7) | 10 (15.2) | 0.812 | 0.057 |
Statin, n (%) | 66(100.0) | 66(100.0) | 1.000 | < 0.001 |
Beta-blocker, n (%) | 22 (33.3) | 31 (47.0) | 0.110 | 0.281 |
ACEI or ARB, n (%) | 46 (69.7) | 50 (75.8) | 0.434 | 0.611 |
