Table 4 Comparison of the indicators of cardiac function before surgery and at discharge of patients undergoing mitral valve clamp surgery
Variables | Before the intervention | At discharge | Z | P |
|---|---|---|---|---|
Degree of reflux | −3.162* | 0.002 | ||
≤ 2+ | 0 | 10 (100.0) | ||
> 2+ | 10 (100.0) | 0 | ||
Activity of Daily Living Scale score | 55.0 ± 5.8 | 69.0 ± 4.6 | −2.877* | 0.004 |
6MWT(m) | 295.2 ± 18.4 | 318.0 ± 21.7 | −2.805* | 0.005 |