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Comparison of Lee's heart failure score between SFI and placebo groups.
| Excellent | Valid | Invalid | Worsened | Effective rate | Statistics | P value | |
|---|---|---|---|---|---|---|---|
| SFI (n=74) | 23 | 29 | 21 | 1 | 70.27% | 4.9403 | 0.0262 |
| Placebo (n=69) | 15 | 21 | 33 | 0 | 52.17% |
Effective rate was defined as proportion of all patients who experienced an excellent or valid outcome. Similarly, the ineffective rate was defined as the proportion of all patients who experienced an invalid and worsened outcome.
