Table 1.
Background data [means ± SDs or medians (IQRs)]
| Parameter | Group | n | Data | P value |
|---|---|---|---|---|
| Age (years) | OB | 48 | 71±11 | 0.580 |
| CO | 48 | 70±10 | ||
| Sex (n) (Male/female) | OB | 48 | 28/20 | 0.583 |
| CO | 48 | 25/23 | ||
| Course of disease (months) | OB | 48 | 1.50 (5.0) | 0.707 |
| CO | 48 | 1.50 (5.2) | ||
| Etiology of HF (%) | 0.817 | |||
| Hypertensive heart disease | OB | 48 | 29.17 | |
| CO | 48 | 31.25 | ||
| Valvular heart disease | OB | 48 | 20.83 | |
| CO | 48 | 22.92 | ||
| Ischemic cardiomyopathy | OB | 48 | 14.58 | |
| CO | 48 | 20.83 | ||
| Cardiomyopathy | OB | 48 | 18.75 | |
| CO | 48 | 14.58 | ||
| Other | OB | 48 | 16.67 | |
| CO | 48 | 10.42 | ||
| Complication (%) | 0.427 | |||
| Diabetes | OB | 48 | 35.42 | |
| CO | 48 | 27.08 | ||
| Atrial fibrillation | OB | 48 | 70.83 | |
| CO | 48 | 56.25 | ||
| Infection | OB | 48 | 16.67 | |
| CO | 48 | 25.00 | ||
| Serum creatinine (μmol/L) | OB | 48 | 71 ± 25 | 0.283 |
| CO | 48 | 68 ± 26 | ||
| Serum albumin (g/L) | OB | 48 | 39 ± 5 | 0.399 |
| CO | 48 | 40 ± 4 |
Notes: CO: control group; OB: observation group; SD: standard deviation; IQRs: interquartile ranges.