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. 2023 Sep 5;14:984794. doi: 10.3389/fphar.2023.984794

TABLE 4.

The result of ITS analysis of hepatitis B antiviral treatment nucleoside analogs medications in the “4 + 7”pilot cities.

Categories DDDs (ten thousand) Expenditures (ten thousand CNY) DDDc (CNY)
Coef. (95%C.I.) p-value Coef. (95%C.I.) p-value Coef. (95%C.I.) p-value
Selected medications
Baseline trend β 1 11.46 (−6.37,29.29) 0.195 114.04 (28.02,200.06) 0.012 −0.10 (−0.16,-0.04) 0.002
Change in level β 2 618.41 (393.23,843.58) <0.001 −5273.84 (−6363.50,-4184.19) <0.001 −9.87 (−10.59,-9.15) <0.001
Change in slope β 3 −9.37 (−43.76,25.02) 0.576 −276.83 (−442.85,-110.80) 0.002 −0.06 (−0.17,0.05) 0.275
Constant β 0 545.09 (409.59,680.59) <0.001 7769.85 (7115.78,8423.91) <0.001 14.53 (14.09,14.97) <0.001
Entecavir
Baseline trend β 1 6.93 (−8.17,22.02) 0.350 54.53 (−16.91,125.97) 0.127 −0.01 (−0.05,0.03) 0.523
Change in level β 2 521.69 (330.93,712.44) <0.001 −4429.91 (−5334.85,-3524.98) <0.001 −9.50 (−10.00,-9.00) <0.001
Change in slope β 3 −8.56 (−37.67,20.55) 0.547 −198.89 (−336.78,-60.99) 0.007 −0.12 (−0.20,-0.04) 0.004
Constant β 0 486.70 (372.00,601.40) <0.001 7006.44 (6463.21,7549.66) <0.001 13.17 (12.86,13.47) <0.001
Tenofovir Fumarate
Baseline trend β 1 4.53 (1.26,7.79) 0.009 59.19 (41.20,77.17) <0.001 −0.09 (−0.15,-0.04) 0.002
Change in level β 2 97.92 (56.87,138.98) <0.001 −835.85 (−1063.56,-608.14) <0.001 −9.77 (−10.46,-9.08) <0.001
Change in slope β 3 −1.05 (−7.36,5.25) 0.731 −78.31 (−113.00,-43.62) <0.001 −0.06 (−0.17,0.04) 0.239
Constant β 0 58.32 (33.47,83.17) <0.001 764.40 (627.73,901.06) <0.001 14.38 (13.96,14.80) <0.001
Alternative medications
Baseline trend β 1 −2.90 (−4.47,-1.32) 0.001 −46.72 (−62.62,-30.83) <0.001 −0.11 (−0.14,-0.08) <0.001
Change in level β 2 −12.25 (−32.16,7.66) 0.214 −82.83 (−283.49,117.83) 0.399 0.22 (−0.17,0.60) 0.253
Change in slope β 3 1.12 (−1.93,4.16) 0.453 24.29 (−6.36,54.95) 0.114 0.07 (0.01,0.12) 0.030
Constant β 0 151.33 (139.34,163.31) <0.001 1742.05 (1621.28,1862.82) <0.001 11.54 (11.31,11.77) <0.001
Lamivudine
Baseline trend β 1 −0.90 (−1.08,-0.72) <0.001 −27.82 (−32.21,-23.42) <0.001 −0.22 (−0.33,-0.12) <0.001
Change in level β 2 0.32 (−1.97,2.61) 0.772 16.98 (−38.65,72.62) 0.531 0.01 (−1.24,1.27) 0.983
Change in slope β 3 0.65 (0.30,1.00) 0.001 21.17 (12.70,29.65) <0.001 0.16 (−0.04,0.36) 0.107
Constant β 0 21.04 (19.66,22.41) <0.001 595.56 (562.16,628.96) <0.001 28.57 (27.78,29.37) <0.001
Adefovir dipivoxil
Baseline trend β 1 −1.88 (−3.04,-0.73) 0.003 −16.66 (−24.04,-9.29) <0.001 −0.05 (−0.08,-0.02) 0.001
Change in level β 2 −10.34 (−24.92,4.24) 0.155 −56.02 (−149.07,37.02) 0.224 −0.01 (−0.32,0.31) 0.971
Change in slope β 3 0.72 (−1.51,2.94) 0.510 7.35 (−6.88,21.58) 0.294 0.02 (−0.03,0.07) 0.516
Constant β 0 106.14 (97.37,114.92) <0.001 705.00 (648.91,761.08) <0.001 6.66 (6.47,6.86) <0.001
Telbivudine
Baseline trend β 1 −0.13 (−0.53,0.26) 0.494 −2.81 (−10.05,4.43) 0.427 −0.02 (−0.02,-0.01) <0.001
Change in level β 2 −1.98 (−6.97,3.00) 0.417 −37.04 (−127.92,53.84) 0.405 −0.08 (−0.18,0.01) 0.087
Change in slope β 3 −0.25 (−1.02,0.52) 0.502 −4.03 (−18.01,9.94) 0.554 0.02 (0.01,0.04) 0.005
Constant β 0 24.28 (21.26,27.31) <0.001 445.36 (390.28,500.44) <0.001 18.34 (18.28,18.39) <0.001
Nucleotide analogs
Baseline trend β 1 8.63 (−10.15,27.42) 0.349 68.60 (−28.28,165.49) 0.155 −0.08 (−0.12,-0.03) 0.003
Change in level β 2 605.49 (368.19,842.80) <0.001 −5364.88 (−6592.21,-4137.55) <0.001 −8.90 (−9.49,-8.32) <0.001
Change in slope β 3 −8.40 (−44.62,27.83) 0.634 −254.21 (−441.18,-67.23) 0.010 −0.08 (−0.17,0.01) 0.082
Constant β 0 696.04 (553.29,838.79) <0.001 9501.70 (8765.08,10,238.31) <0.001 13.75 (13.39,14.10) <0.001

ITS: interrupted time series; NAs: Nucleoside Analogs; DDDs: Defined Daily Doses; DDDc: Defined Daily Drug cost; CNY: Chinese Yuan. The bold value meaning was classification of antiviral medications of hepatitis B virus in this study.