Table 1.
Age, body weight, biventricular weight, central venous pressure, mean arterial pressure, and heart rate of the normal control and chronic heart failure (CHF) rats
| Control (n = 12) | CHF (n = 7) | P value | |
|---|---|---|---|
| Age at experiment (weeks) | 24 ± 3 | 30 ± 3 | 0.237 |
| Body weight (g) | 565 ± 28 | 538 ± 19 | 0.474 |
| Biventricular weight (g) | 1.16 ± 0.04 | 1.45 ± 0.08** | 0.002 |
| Biventricular weight (g kg body weight−1) | 2.05 ± 0.06 | 2.71 ± 0.13** | <0.001 |
| Central venous pressure (mmHg) | 2.0 ± 0.2 | 5.4 ± 0.9** | <0.001 |
| Mean arterial pressure (mmHg) | 134 ± 4 | 121 ± 4* | 0.037 |
| Heart rate (beats min−1) | 414 ± 11 | 350 ± 12** | 0.001 |
Data are presented as mean ± SE
** P < 0.01 and *P < 0.05 by unpaired t test