Table 4 Serial changes of clinical practice parameters and prognosis in subjects assessed by CQAP for consecutive 3Â years
Year | 2014 | 2015 | 2016 | 3-year changes |
|---|---|---|---|---|
Overlapping patients in AS group for 3 years | n = 59,519 | n = 59,519 | n = 59,519 | (%) |
Clinical practice parameters | ||||
 PFT conduction (%) | 40,258 (67.6) | 39,390 (66.2) | 40,831 (68.6) |  + 1.5 |
 Inhaled LAMA prescription (%) | 36,700 (61.7) | 37,851 (63.6) | 36,907 (62.0) |  + 0.5 |
 Inhaled LABA prescription (%) | 35,746 (60.1) | 37,800 (63.5) | 36,656 (61.6) |  + 2.5 |
 ICS prescription (%) | 33,468 (56.2) | 32,118 (54.0) | 32,231 (54.2) | -3.6 |
 SABA prescription (%) | 15,029 (25.3) | 14,248 (23.9) | 14,516 (24.4) | -3.6 |
Prognosis | ||||
 Frequency of admission for COPD/yr, mean ± SD | 0.288 ± 0.923 | 0.277 ± 0.969 | 0.372 ± 1.260 |  + 29.2 |