Table 3 Baseline demographic characteristics of the study population stratified by propensity subgroups (quintiles, Q)
Characteristics | Propensity group | p-value for propensity score analysis | ||||
|---|---|---|---|---|---|---|
Q I (n = 105) | Q II (n = 105) | Q III (n = 105) | Q IV (n = 105) | Q V (n = 105) | ||
≤0.0095 | 0.0096–0.0205 | 0.0206–0.0412 | 0.0413–0.0849 | ≥0.0850 | ||
Age (years, mean ± SD) | 51.6 ± 8.8 | 58.1 ± 10.2 | 61.9 ± 8.2 | 65.0 ± 7.1 | 71.4 ± 6.6 | <  0.001 |
Gender (n, %) | ||||||
 Male | 98 (93.3) | 88 (83.8) | 87 (82.9) | 73 (69.5) | 52 (49.5) | <  0.001 |
 Female | 7 (6.7) | 17 (16.2) | 18 (17.1) | 32 (30.5) | 53 (50.5) | |
BMI (kg/m2, means ± SD) | 27.3 ± 3.6 | 27.8 ± 3.8 | 27.0 ± 3.6 | 27.3 ± 4.4 | 26.7 ± 4.3 | 0.329 |
Systolic BP (mmHg, means±SD) | 127.4 ± 18.9 | 129.8 ± 19.0 | 139.1 ± 20.1 | 138.5 ± 23.0 | 144.4 ± 22.2 | <  0.001 |
Diastolic BP (mmHg, means±SD) | 77.1 ± 11.7 | 79.8 ± 11.4 | 83.3 ± 11.1 | 84.7 ± 12.6 | 88.5 ± 12.4 | <  0.001 |
Heart rate (bpm, means ± SD) | 73.1 ± 13.1 | 74.5 ± 13.0 | 74.1 ± 12.6 | 81.0 ± 14.8 | 83.9 ± 15.4 | <  0.001 |
LVEF (%, means ± SD) | 48.8 ± 10.2 | 45.9 ± 10.1 | 45.7 ± 9.1 | 42.7 ± 9.4 | 41.1 ± 10.3 | 0.002 |
CV Risk Factors (n, %) | 48 (45.7) | 80 (76.2) | 93 (88.6) | 103 (98.1) | 105 (100.0) | <  0.001 |
Diabetes (n, %) | 30 (28.6) | 36 (34.3) | 39 (37.1) | 35 (33.3) | 22 (21.0) | 0.095 |
Hypercholesterolemia (n, %) | 16 (15.2) | 26 (24.8) | 27 (25.7) | 29 (27.6) | 23 (21.9) | 0.238 |
Hypertension (n, %) | 29 (27.6) | 50 (47.6) | 61 (58.1) | 66 (62.9) | 71 (67.6) | <  0.001 |