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Table 4 Adherence comparison to index medication among DOAC users stratified by first day supply and fill method at 12 months of follow-up

From: Real-world adherence for direct oral anticoagulants in a newly diagnosed atrial fibrillation cohort: does the dosing interval matter?

 

Dabigatran

Rivaroxaban

Apixaban

P-value

First day supply = 30 days

PDC, mean (SD)

0.55 (0.36)

0.63 (0.36)

0.66 (0.34)

<.0001

≥0.8, n (%)

3852 (38.56)

4036 (48.29)

1424 (52.60)

 

0.5–.079, n (%)

1349 (13.60)

1036 (12.40)

396 (14.63)

 

< 0.5, n (%)

4746 (47.84)

3285 (39.31)

887 (32.77)

 

First day supply = 90 days

PDC, mean (SD)

0.72 (0.30)

0.79 (0.28)

0.84 (0.24)

<.0001

≥0.8, n (%)

845 (56.48)

824 (66.83)

458 (73.87)

 

0.5–.079, n (%)

198 (13.24)

147 (11.92)

73 (11.77)

 

< 0.5, n (%)

453 (30.28)

262 (21.25)

89 (14.35)

 

Filled via mail pharmacy (1st fill)

PDC, mean (SD)

0.71 (0.31)

0.79 (0.28)

0.84 (0.24)

<.0001

≥0.8, n (%)

755 (56.72)

509 (66.10)

328 (73.71)

 

0.5–.079, n (%)

169 (12.70)

100 (12.99)

58 (13.03)

 

< 0.5, n (%)

407 (30.58)

161 (20.91)

59 (13.26)

 

Filled via retail pharmacy (1st fill)

PDC, mean (SD)

0.55 (0.36)

0.63 (0.36)

0.67 (0.34)

<.0001

≥0.8, n (%)

3907 (38.70)

4522 (48.59)

1616 (53.62)

 

0.5–.079, n (%)

1377 (13.64)

1164 (12.51)

439 (14.57)

 

< 0.5, n (%)

4811 (47.66)

3620 (38.90)

959 (31.82)

 
  1. PDC proportion of days covered, SD standard deviation