Table II.
Basic information of the experimental and control groups [n, (%)].
| Basic information | Experimental group (n=60) | Control group (n=35) | t/χ2 | P-value |
|---|---|---|---|---|
| Age (years) | 0.513 | 0.473 | ||
| <30 | 28 (46.67) | 19 (54.29) | ||
| ≥30 | 32 (53.33) | 16 (45.71) | ||
| Ethnicity | 0.118 | 0.732 | ||
| Han | 56 (93.33) | 32 (91.43) | ||
| Others | 4 (6.67) | 3 (8.57) | ||
| Height (cm) | 0.085 | 0.771 | ||
| <163 | 31 (51.67) | 17 (48.57) | ||
| ≥163 | 29 (48.33) | 18 (51.43) | ||
| Body weight (kg) | 1.688 | 0.194 | ||
| <50 | 34 (56.67) | 15 (42.86) | ||
| ≥50 | 26 (43.33) | 20 (57.14) | ||
| Hypoproteinemia | 4.231 | 0.040 | ||
| Yes | 13 (21.67) | 2 (5.71) | ||
| No | 47 (78.33) | 33 (94.29) | ||
| Anemia | 4.117 | 0.042 | ||
| Yes | 10 (16.67) | 1 (2.86) | ||
| No | 50 (83.33) | 34 (97.14) | ||
| History of diabetes mellitus | 0.073 | 0.788 | ||
| Yes | 8 (13.33) | 4 (11.43) | ||
| No | 52 (86.67) | 31 (88.57) | ||
| Smoking | 0.002 | 0.968 | ||
| Yes | 5 (8.33) | 3 (8.57) | ||
| No | 55 (91.67) | 32 (91.43) | ||
| Drinking | 0.137 | 0.711 | ||
| Yes | 7 (11.67) | 5 (14.29) | ||
| No | 53 (88.33) | 30 (85.71) | ||
| Blood pressure (mmHg) | ||||
| Systolic pressure | 159.78±18.32 | 123.71±11.34 | 10.520 | <0.001 |
| Diastolic pressure | 107.72±2.67 | 86.45±15.28 | 10.550 | <0.001 |
| 6MWT (m) | 298.56±70.93 | 526.79±102.61 | 12.79 | <0.001 |
| LVEF (%) | 40.26±17.54 | 59.67±12.43 | 5.735 | <0.001 |
| LVEDD (mm) | 62±6.39 | 53.01±1.21 | 8.220 | <0.001 |
6MWT, six-minute walk test; LVEF, left ventricular ejection fraction; LVEDD, left ventricular end diastolic diameter.