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Drug usage characteristics of the groups.
| Groups | p value | ||
|---|---|---|---|
| Study group (n = 40) | Control group (n = 40) | ||
| β blocker | |||
| Not using | 3 (7.5) | 3 (7.5) | 1.0 |
| Using | 37 (92.5) | 37 (92.5) | |
| Renin-angiotensin system blocker | |||
| Not using | 2 (5) | 2 (5) | 1.0 |
| Using | 38 (95) | 38 (95) | |
| Aldosterone antagonist | |||
| Not using | 9 (22.5) | 9 (22.5) | 1.0 |
| Using | 31 (77.5) | 31 (77.5) | |
| Class III antiarrhythmic agents | |||
| Not using | 25 (62.5) | 30 (75) | 0.23 |
| Using | 15 (37.5) | 10 (25) | |
| Diuretics | |||
| Not using | 5 (12.5) | 3 (7.5) | 0.71 |
| Using | 35 (87.5) | 37 (92.5) | |
