Table 5 Segmented regression analysis on the quarterly number of antihypertensive prescriptions and ACEIs prescription proportion
Variables | β1(a) | β2(b) | β3(c) |
|---|---|---|---|
Health and Social Care Information Centre (HSCIC) data | |||
ACEIs prescription proportion (%) | −0.09 (−0.10, −0.70) | --- | 0.10 (0.09, 0.13) |
ACEIs | 179422.8 (155964.2, 202881.5) | --- | −88326.8 (−128278.1,-48375.6) |
ARBs | 87446.1 (77192.5, 97699.7) | --- | −52359.4 (−69821.8, −34897.1) |
Diuretics | --- | --- | --- |
CCBs | 121943.8 (106805.8, 137081.8) | --- | −40240.7 (−66021.5, 14459.9) |
BBs | 22331.1 (2253.2, 42409.0) | --- | 61787.6 (27593.9, 95983.2) |
“Others” | 15605.9 (12056.8, 19154.0) | --- | −7041.9 (−13085.4, 998.4) |
Clinical Practice Research Datalink (CPRD) data | |||
ACEIs prescription proportion (%) | −0.04 (−0.6, −0.02) | --- | 0.04 (0.01, 0.07) |
ACEIs | 15862.3 (14300.5, 17427.0) | --- | −14529.7 (−17189.5, −11869.9) |
ARBs | 6993.5 (6377.5, 7609.4) | --- | −6167.7 (−7216.6, −5118.6) |
Diuretics | 6414.9 (5325.2, 7504.5) | --- | −8312.0 (−10167.6, −6456.2) |
CCBs | 11960.5 (10917.0, 13003.9) | --- | −9576.0 (−11353.1, −7798.9) |
BBs | 1681.0 (948.6, 2413.4) | --- | −1689.5 (−2936.7, −442.2) |
“Others” | 1765.0 (1572.7, 2002.3) | --- | −1924.8 (−2328.9, −1520.6) |