Trends of diabetic foot complications among patients with T2D
| Year | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | P for trend |
| Patients with DFC | 23 068 | 26 039 | 27 368 | 28 729 | 29 770 | 30 007 | 30 332 | 30 783 | – |
| T2D population | 1 115 556 | 1 192 004 | 1 269 496 | 1 339 223 | 1 404 474 | 1 472 448 | 1 535 613 | 1 556 988 | – |
| DFCs prevalence, % (95% CI) | 2.07 (2.04 to 2.09) | 2.18 (2.16 to 2.21) | 2.16 (2.13 to 2.18) | 2.15 (2.12 to 2.17) | 2.12 (2.10 to 2.14) | 2.04 (2.02 to 2.06) | 1.98 (1.95 to 2.00) | 1.98 (1.96 to 2.00) | 0.024 |
| Cost*: DFCs/T2D ratio (%) | 8.8/2.7 330 | 8.8/2.7 325 | 9.1/2.7 335 | 9.1/2.7 338 | 9.2/2.7 336 | 9.0/2.7 337 | 8.9/2.7 328 | 8.5/2.6 320 | 0.659 |
| LEAs (per 1000 subjects with T2D) | 2.85 | 2.91 | 2.72 | 2.59 | 2.68 | 2.29 | 2.07 | 2.06 | 0.001 |
| Minor LEA | 1.25 | 1.33 | 1.29 | 1.24 | 1.33 | 1.14 | 1.09 | 1.09 | 0.019 |
| Major LEA | 1.60 | 1.57 | 1.43 | 1.35 | 1.35 | 1.15 | 0.98 | 0.98 | <0.001 |
| Major/total LEAs (%) | 56.2 | 54.1 | 52.7 | 52.3 | 50.5 | 50.3 | 47.3 | 47.4 | <0.001 |
*Cost unit=US$1000 per one person-years.
DFC, diabetic foot complication; LEA, lower extremity amputations; T2D, type 2 diabetes.