Table 3 PDC according to medications

PDC, total

0.45 ± 0.39

0.64 ± 0.35

< 0.001

PDC ≥ 0.8

35,287 (27.47)

13,386 (47.60)

< 0.001

PDC according to AHM number

 0 ~  < 1 pill

0.41 ± 0.37

0.61 ± 0.34

< 0.001

 1 ≤  ~  < 2 pills

0.45 ± 0.39

0.64 ± 0.36

 2 ~  < 3 pills

0.48 ± 0.39

0.65 ± 0.35

 3 ~  < 4 pills

0.47 ± 0.39

0.59 ± 0.38

 ≥ 4 pills

0.51 ± 0.37

0.58 ± 0.35

PDC according to AHM number and duration^a

 0 ~  < 1 pill

0.36 ± 0.35

0.55 ± 0.35

< 0.001

 1 ~  < 2 pills

0.93 ± 0.12

0.97 ± 0.07

 2 ~  < 3 pills

0.92 ± 0.14

0.97 ± 0.06

 3 ~  < 4 pills

0.91 ± 0.18

0.91 ± 0.18

 ≥ 4 pills

0.83 ± 0.24

0.95 ± 0.09

PDC according to the number of all drugs

 1 ~  < 5 pills

0.47 ± 0.39

0.64 ± 0.36

< 0.001

 5 ~ 10 pills

0.51 ± 0.37

0.66 ± 0.33

 ≥ 10 pills

0.34 ± 0.38

0.55 ± 0.38

PDC according to the daily dosing frequency of AHM

 ≤ 1 pill

0.37 ± 0.38

0.61 ± 0.36

< 0.001

 1 <  ~  < 2 pills

0.59 ± 0.36

0.75 ± 0.29

 ≥ 2 pills

0.62 ± 0.36

0.71 ± 0.31