Table 2 Annual percent change in amputation rates, 2006–2019
Amputation Rate | Breakpoints | APC (95%CI) | Full Range | AAPC 95% CI) |
|---|---|---|---|---|
Overall | 2006–2008 2008–2017 2017–2019 | − 7.7 (− 22.0 to 9.2) 2.1* (0.3 to 4.0) − 6.8 (−21.2 to 10.3) | − 0.9 | (− 3.9 to 2.3) |
Primary | 2006–2008 2008–2019 | − 13.0 (− 26.3 to 2.8) 0.3 (− 0.9 to 1.4) | − 1.9 | (− 4.2 to 0.4) |
Subsequent | 2006–2017 2017–2019 | 7.5* (4.3 to 10.7) − 17.5 (−46.9 to 28.3) | 3.2* | (3.1 to 9.9) |
Overall major | 2006–2010 2010–2017 2017–2019 | − 11.1* (−16.1 to − 5.9) 4.6* (1.4 to 7.8) − 20.0* (−33.3 to − 4.2) | − 4.6* | (− 7.3 to − 1.7) |
Overall minor | 2006–2019 | 2.0* (1.0 to 2.9) | 2.0* | (1.0 to 2.9) |
Primary major | 2006–2010 2010–2016 2016–2019 | − 15.1* (−25.3 to − 3.6) 3.7 (− 5.3 to 13.4) − 11.0 (− 27.3 to 8.8) | − 5.9* | (− 11.3 to − 0.2) |
Primary minor | 2006–2019 | 0.6 (− 0.2 to 1.5) | 0.6 | (− 0.2 to 1.5) |
Subsequent major | 2006–2017 2017–2019 | 5.4* (2.1 to 8.8) − 26.8 (− 54.3 to 17.2) | − 0.4 | (− 6.8 to 6.5) |
Subsequent minor | 2006–2010 2010–2019 | 31.0* (14.4 to 50.2) 1.2 (− 2.7 to 5.3) | 9.6* | (4.9 to 14.4) |