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. 2016 Sep 26;6(9):e011471. doi: 10.1136/bmjopen-2016-011471

Table 3.

Persistence rates of OACs among OAC naïve patients

  Apixaban
Rivaroxaban
Dabigatran
VKA
N=413
N=1275
N=656
N=9303
Persistence of index medication by the end of follow-up (n, %)
 Persistent 364 88.1% 999 78.4% 461 70.3% 7461 80.2%
 Non-persistent 49 11.9% 276 21.7% 195 29.7% 1842 19.8%
Type of change in therapy (n, %) N non-persistent=49 N non-persistent=276 N non-persistent=195 N non-persistent=1842
 Discontinued therapy 31 63.3% 212 76.8% 126 64.6% 1367 74.2%
 Switched therapy 18 36.7% 64 23.2% 69 35.4% 475 25.8%
Persistence at different time points
 At 3 months
  Percentage*, 95% CI 91.5 88.5 to 94.0 86.3 84.3 to 88.1 84.1 81.2 to 86.8 93.9 93.4 to 94.4
  Number of patients at risk† 297 945 496 8121
  Number of patients censored‡ 82 158 57 630
 At 6 months
  Percentage*, 95% CI 88.2 84.5 to 91.3 80.7 78.4 to 83.0 74.2 70.6 to 77.6 87.0 86.2 to 87.7
  Number of patients at risk† 150 603 351 6189
  Number of patients censored‡ 220 448 148 2005
 At 12 months
  Percentage*, 95% CI 82.8 76.8 to 87.9 73.1 70.0 to 76.2 66.7 62.6 to 70.7 77.8 76.8 to 78.7
  Number of patients at risk† 21 227 189 3321
  Number of patients censored‡ 343 782 279 4324
 At end of follow-up
  Percentage*, 95% CI 82.8 76.8 to 87.9 67.6 62.9 to 72.2 62.5 57.5 to 67.6 70.6 68.9 to 72.3
  Number of patients at risk† 0 0 0 0
  Number of patients censored‡ 364 999 461 7461

*100% minus the cumulative incidence of non-persistence, accounting for the competing risk of death.

†Number of patients at who remain ‘at risk’ of non-persistence after the specified time point.

‡Number of patients censored before the specified time point due to non-persistence, leaving the database, end of the study period or death.

OAC, oral anticoagulants.