Table 4.
Drug Class Proportion of Pattern Change Compared to the Previous Year (2017 vs 2016)
| Year | Therapy | Consistent | Add-On | Switch | Drop-Off | Quit | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | ||
| 2017 vs 2016 | Overall | 6,936,978 | 520,668 | 386,162 | 443,860 | 710,161 | |||||
| ACEI | 50,687 | 0.7 | 3,057 | 0.6 | 8,926 | 2.3 | 6,361 | 0.9 | |||
| ARB | 1,183,941 | 17.1 | 164,732 | 31.6 | 41,676 | 10.8 | 101,338 | 14.3 | |||
| BB | 405,273 | 5.8 | 24,879 | 4.8 | 27,734 | 7.2 | 156,440 | 22.0 | |||
| CCB | 1,141,077 | 16.4 | 114,659 | 22.0 | 65,773 | 17.0 | 106,220 | 15.0 | |||
| DU | 117,925 | 1.7 | 12,998 | 2.5 | 12,472 | 3.2 | 79,275 | 11.2 | |||
| OTHER | 89,597 | 1.3 | 4,343 | 0.8 | 6,921 | 1.8 | 42,164 | 5.9 | |||
| ARB+BB | 98,067 | 1.4 | 12,203 | 2.3 | 8,324 | 2.2 | 12,297 | 2.8 | 5,886 | 0.8 | |
| ARB+CCB | 1,595,868 | 23.0 | 88,190 | 16.9 | 43,117 | 11.2 | 103,136 | 23.2 | 80,308 | 11.3 | |
| ARB+DU | 720,290 | 10.4 | 34,592 | 6.6 | 69,130 | 17.9 | 65,174 | 14.7 | 41,405 | 5.8 | |
| BB+CCB | 166,262 | 2.4 | 9,497 | 1.8 | 16,029 | 4.2 | 14,996 | 3.4 | 8,353 | 1.2 | |
| BB+DU | 68,021 | 1.0 | 3,895 | 0.7 | 7,763 | 2.0 | 8,083 | 1.8 | 9,525 | 1.3 | |
| CCB+DU | 130,419 | 1.9 | 7,945 | 1.5 | 14,106 | 3.7 | 13,753 | 3.1 | 10,430 | 1.5 | |
| ARB+BB+CCB | 171,284 | 2.5 | 10,388 | 2.0 | 8,032 | 2.1 | 29,582 | 6.7 | 8,297 | 1.2 | |
| ARB+BB+DU | 93,438 | 1.3 | 4,463 | 0.9 | 9,737 | 2.5 | 17,224 | 3.9 | 6,192 | 0.9 | |
| ARB+CCB+DU | 541,653 | 7.8 | 12,803 | 2.5 | 12,452 | 3.2 | 99,311 | 22.4 | 22,730 | 3.2 | |
| ARB+BB+CCB+DU | 119,822 | 1.7 | 954 | 0.2 | 865 | 0.2 | 32,558 | 7.3 | 5,850 | 0.8 | |
| etc. | 243,354 | 3.5 | 11,070 | 2.1 | 33,105 | 8.6 | 47,746 | 10.8 | 19,387 | 2.7 | |