Table 2. Time-course of persistence and adherence for oral anticoagulants from initiation of therapy.
| Study (years) | Country; study period | Source | Sample size | Measure definition | VKA (%) | Apixaban (%) | Rivaroxaban (%) | Dabigatran (%) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Months | Months | Months | Months | ||||||||||||||||||
| 3 | 6 | 12 | 24 | 3 | 6 | 12 | 24 | 3 | 6 | 12 | 24 | 3 | 6 | 12 | 24 | ||||||
| Persistence | |||||||||||||||||||||
| Beyer-Westendorf et al. (2016)66) | Germany; 2012–2013 | IMS® Disease Analyzer | 7,265 | Supply gap>60 days | 58 | 26 | 66 | 53 | 60 | 47 | |||||||||||
| Collings et al. (2017)60) | Germany; 2012–2014 | IMS® Disease Analyzer | 15,244 | Supply gap>60 days | 94 | 71 | 58 | 49 | 79 | 72 | 63 | 59 | 82 | 67 | 57 | 49 | 71 | 60 | 50 | 42 | |
| Hohnloser et al. (2019)67) | Germany; 2013–2016 | Institute for Applied Health Research | 51,606 | Supply gap>30 days | 70 | 72 | 71 | 67 | |||||||||||||
| Forslund et al. (2016)55) | Stockholm; 2011–2014 | Stockholm administrative health data register | 17,741 | Any script filled in 6-months period; CHA2DS2-VASc=2–9 | 85 | 78 | 86 | 77 | 69 | 74 | 66 | ||||||||||
| Björck et al. (2016)68) | Sweden; 2010–2013 | AuriculA Swedish national quality register | 478 | Not defined | 91 | ||||||||||||||||
| Johnson et al. (2016)57) | UK; 2012–2014 | Clinical practice research database | 15,242 | Supply gap>56–60 days | 94 | 87 | 78 | 71 | 92 | 88 | 83 | 83 | 86 | 81 | 73 | 68 | 84 | 74 | 67 | 63 | |
| Martinez et al. (2016)56) | UK; 2011–2014 | Clinical practice research database | 27,514 | Supply gap>30 days | 87 | 77 | 64 | 50 | |||||||||||||
| Mueller et al. (2017)58) | Scotland; 2011–2014 | Prescribing Information System | 5,398 | Supply gap>28 days | 87 | 86 | 84 | 79 | 75 (18-months) | 68 | 60 | 55 (18-months) | |||||||||
| Simons et al. (2016)69) | Australia; 2013–2015 | PBS records | 1,471 | Supply gap>90 days | 86 | 38 | |||||||||||||||
| Simons et al, (2017)59) | Australia; 2013–2016 | PBS records | 8,656 | Supply gap>90 days or switching to warfarin | 92 (first repeat) | 73 | 61 (30-months) | 91 (first repeat) | 68 | 55 (30-months) | 89 (first repeat) | 66 | 52 (30-months) | ||||||||
| Shiga et al. (2015)70) | Japan; 2011–2014 | Tokyo Women's Medical University Hospital | 601 | Discontinuation reported in medical record | 93 | 88 | 82 | 90 | 83 | 80 | 88 | 83 | 70 | 80 | 76 | 65 | |||||
| Wang et al. (2016)64) | China; 2011–2014 | Chinese AF registry | 1,461 | Self-reported discontinuation | 78 | 56 | 43 | ||||||||||||||
| Liu et al. (2019)61) | China: 2011–2017 | Chinese AF registry | 5,699 | Self-reported discontinuation | 93 | 89 | |||||||||||||||
| Zalesak et al. (2013)71) | USA; 2010–2012 | USA Department of Defence | 5,145 | Supply gap>60 days | 53 | 39 | 72 | 63 | |||||||||||||
| Adherence | |||||||||||||||||||||
| Borne et al. (2017)52) | USA; 2010–2015 | Veterans Affairs Healthcare System | 2,882 | PDC>0.80 | 77 | 75 | 71 | ||||||||||||||
| Brown et al. (2017)72) | USA; 2012–2014 | Truven Health Analytics MarketScan database | 15,341 | PDC>0.80 | 71 | 60 | 71 | 59 | 61 | 48 | |||||||||||
| Han et al. (2019)65) | Korea; 2014 | HIRA service-aged patient sample | 1,234 | MPR≥0.80 | 92 | 84 | 88 | ||||||||||||||
| Shore et al. (2014)53) | USA; 2010–2012 | Veterans Affairs Corporate Data Warehouse | 5,376 | PDC≥0.80 | 71 | 71 | |||||||||||||||
AF = atrial fibrillation; HIRA = Health Insurance Review and Assessment Service; MPR = medication possession ratio; PBS = pharmaceutical benefits scheme; PDC = proportion of days covered; VKA = vitamin K antagonist.