Table 2.
Comparison of efficacy between angina pectoris and echocardiogram.
| Grade | Angina pectoris efficacy | Echocardiogram efficacy | ||||||
|---|---|---|---|---|---|---|---|---|
| Ctrl (n = 103) | Observation group (n = 103) | χ2 | P value | Ctrl (n = 103) | Observation group (n = 103) | χ2 | P value | |
| Obviously effective | 41 (39.8) | 45 (43.7) | — | — | 34 (33.0) | 41 (39.8) | — | — |
| Effective | 52 (50.5) | 54 (52.4) | — | — | 52 (50.5) | 55 (53.4) | — | — |
| Ineffective | 10 (9.7) | 4 (3.9) | — | — | 17 (16.5) | 7 (6.8) | — | — |
| Aggravated | 0 (0.0) | 0 (0.0) | — | — | 0 (0.0) | 0 (0.0) | — | — |
| Effective rate (%) | 90.3 | 96.1 | 8.325 | 0.027 | 83.5 | 93.2 | 11.231 | 0.004 |