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Comparison of angina symptom reduction of UA patients after treatment for three months.
| Group | Case | Markedly effective n (%) | Effective n (%) | Ineffective n (%) | Total effective n (%) |
|---|---|---|---|---|---|
| Control group | 20 | 2 (10) | 10 (50) | 8 (40) | 12 (60) |
| HRW group | 20 | 4 (20) | 14 (70) | 2 (10) | 18 (90) |
Note: χ2 = 4.800, P < 0.05 (P = 0.028).
UA: unstable angina; HRW: hydrogen-rich water.
