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| 1996 | 1999 | 2004 | |
|---|---|---|---|
| N | 251 | 439 | 228 |
| ACEI, % | 12 | 6 | 1 |
| BB, % | 13 | 10 | 13 |
| CCB, % | 17 | 14 | 11 |
| CCB + BB, % | 16 | 18 | 17 |
| CCB + BB + ACEI,% | 11 | 4 | 10 |
ACEI, Angiotensin-converting enzyme inhibitor; BB, β-blocker; CCB, calcium channel blocker.
