Table 1.
Baseline demographic and clinical characteristics of the patients according to the presence of anemia.
| Total | Anemia | No anemia | P | |
|---|---|---|---|---|
| Patients, n | 388 | 215 | 173 | |
| Sex,%male | 158 (40.7) | 92 (42.8) | 66 (38.2) | 0.3557 |
| Age, years | 75.7 ± 10.2 | 78.0 ± 8.9 | 73.1 ± 11.0 | <0.0001 |
| Body mass index, kg/m2 | 23.0 ± 2.5 | 22.9 ± 2.6 | 23.2 ± 2.5 | 0.3501 |
| Hospital length of stay, day | 9.9 ± 4.4 | 10.6 ± 4.8 | 9.0 ± 3.6 | 0.0013 |
| Smoking history, n (%) | 112 (28.9) | 60 (27.9) | 52 (30.1) | 0.6426 |
| Comorbidities | ||||
| Hypertension, n (%) | 280 (72.2) | 154 (71.6) | 126 (72.8) | 0.7927 |
| Diabetes, n (%) | 107 (27.6) | 62 (28.8) | 45 (26.0) | 0.5364 |
| Atrial fibrillation, n (%) | 143 (36.9) | 91 (42.3) | 52 (30.1) | 0.0129 |
| NYHA functional class, n (%) | 0.0012 | |||
| I | 2 (0.5) | 0 | 2 (1.2) | |
| II | 107 (27.6) | 47 (21.9) | 60 (34.7) | |
| III | 214 (55.2) | 125 (58.1) | 89 (51.4) | |
| IV | 65 (16.7) | 43 (20.0) | 22 (12.7) | |
| Haemodynamics | ||||
| Heart rate, bpm | 85 ± 22 | 85 ± 23 | 85 ± 22 | 0.9267 |
| Systolic blood pressure, mmHg | 135 ± 23 | 134 ± 24 | 136 ± 22 | 0.3778 |
| Diastolic blood pressure, mmHg | 78 ± 16 | 75 ± 15 | 81 ± 17 | 0.0007 |
Bold values indicate P < 0.05.
Values are means ± SD.
NYHA, New York heart association.