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. 2018 Dec 3;9:1353. doi: 10.3389/fphar.2018.01353

Table 3.

Proportion of days covered and days’ supply during 1 year of follow-up, according to prescription-dispensation and dispensation-only based designs.

Acenocoum. Apixaban Dabigatran Rivaroxaban Total OAC
Prescription-dispensation cohort (patients with at least one prescription; PD Cohort)
n 29,574 2,075 3,197 3,180 38,026
PDC; mean (95% CI) 96.39 (96.26–96.52) 95.57 (94.97–96.17) 95.87 (95.40–96.34) 94.65 (94.07–95.23) 96.16 (96.03–96.28)
Patients with PDC ≥ 80; % (95% CI) 94.46 (94.19–94.71) 93.59 (92.45–94.57) 93.49 (92.58–94.30) 92.52 (91.55–93.38) 94.17 (93.93–94.40)
Days’ supply; mean (95% CI) 305.9 (304.9–306.9) 322.8 (319.1–326.5) 297.9 (294.3–301.5) 307.7 (304.2–311.3) 306.3 (305.4–307.2)
Days’ supply if PDC ≥ 80%; mean (95% CI) 314.6 (313.6–315.5) 335.6 (332.4–338.7) 309.8 (306.5–313.2) 323.6 (320.6–326.7) 316.0 (315.2–316.7)
Days’ supply if PDC < 80%; mean (95% CI) 158.6 (154.3–162.8) 136.7 (120.7–152.6) 126.0 (113.8–138.1) 111.1 (98.57–123.7) 149.1 (145.3–152.9)
Dispensation-only cohort (patients with at least one dispensation; D1 cohort)
n 29,411 2,047 3,162 3,124 37,744
PDC (mean, 95% CI) 84.37 (84.10–84.63) 89.59 (88.62–90.56) 82.72 (81.77–83.67) 86.42 (85.51–87.33) 84.68 (84.44–84.92)
Patients with PDC ≥ 80; % (95% CI) 73.44 (72.93–73.94) 84.86 (82.23–86.34) 74.07 (72.51–75.57) 80.60 (79.18–81.95) 74.70 (74.26–75.13)
Days’ supply; mean (95% CI) 307.8 (306.9–308.8) 326.7 (323.1–330.2) 301.8 (298.3–305.3) 315.1 (311.7–318.4) 308.9 (308.1–309.8)
Days’ supply if PDC ≥ 80%; mean (95% CI) 351.2 (350.9–351.5) 357.2 (356.4–358.1) 354.1 (353.4–354.9) 356.4 (355.7–357.2) 352.3 (352.0–352.5)
Days’ supply if PDC < 80%; mean (95% CI) 187.9 (186.2–187.7) 155.3 (145.6–165.0) 152.3 (146.4–158.1) 143.1 (136.0–150.3) 181.0 (179.3–182.6)
Days’ supply for patients excluded from D1 cohort; mean (95% CI) 24.3 (12.7–35.9) 80.3 (31.8–128.8) 78.5 (32.9–124.0) 48.9 (19.1–78.8) 41.5 (29.9–53.1)
Dispensation-only cohort (patients with at least two dispensations separated by 6 months; D2 cohort)
n 27,773 1,923 2,848 2,868 35,412
PDC; mean (95% CI) 87.74 (87.52–87.97) 93.85 (93.20–94.50) 89.05 (88.32–89.79) 92.06 91.40–92.71 88.53 (88.34–88.73)
Patients with PDC ≥ 80; % (95% CI) 77.75 (77.25–78.23) 90.22 (88.81–91.47) 82.19 (80.75–83.56) 87.69 (86.44–88.84) 79.59 (79.17–80.00)
Days’ supply; mean (95% CI) 320.2 (319.4–321.0) 342.4 (340.1–344.8) 325.0 (322.3–327.7) 335.9 (333.5–338.3) 323.1 (322.4–323.8)
Days’ supply if PDC ≥ 80%; mean (95% CI) 351.2 (351.0–351.5) 357.5 (356.8–358.3) 354.2 (353.5–354.9) 356.7 (356.1–357.4) 352.4 (352.1–352.6)
Days’ supply if PDC < 80%; mean (95% CI) 211.8 (210.2–213.5) 203.1 (193.0–213.2) 190.2 (183.3–197.1) 187.3 (178.4–196.1) 208.9 (207.3–210.5)
Days’ supply for patients excluded from D2 cohort; mean (95% CI)∗∗ 92.1 (89.1–95.1) 82.8 (71.4–94.2) 90.7 (83.8–97.6) 76.8 (69.1–84.5) 89.5 (87.0–92.1)

PDC, proportion of days covered; CI, confidence interval; PDC80, % of patients with PDC values equal or above 80%. 282 patients with a prescription excluded from D1 cohort. ∗∗2614 patients that did not filled at least two prescription separated by 6 months excluded from D2 cohort.