Foreign drug use ratio under Circular 10 for the years of 2018 - 2019 compared to 2017 by number of items Number of drug item 2017 (1) 2018 (2) 2019 (3) 2 P * 21 2 P * 31 NOI% NOI% NOI% Total 3 levels FD - Circular 10 316 3.20 310 2.94 290 2.70 1.13 0.28 4.42 0.03 Total drug 9.874 10, 534 10, 723 Central FD - Circular 10 193 3.20 193 3.09 171 2.74 0.11 0.73 2.17 0.14 Total drug 6.040 6.246 6.233 Provin - cial FD - Circular 10 268 3.10 261 2.87 248 2.71 0.79 0.37 2.38 0.12 Total drug 8, 650 9, 091 9, 152 District FD - Circular 10 260 3.21 262 3.01 248 2.81 0.52 0.46 2.27 0.13 Total drug 8.108 8, 697 8.823 (p21: 2018 compared to 2017; p31: 2019 compared to 2017 *: Using test Chi-square test) Comment: The number of FD items under Circular 10 in 2018 and 2019 is higher than in 2017 for all hospital levels.