Trends of disease characteristics and treatment in patients with type 2 diabetes and DFCs
| Year | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | P for trend | ||||||||
| Foot infections (N, %) | 13 618 | (59.0) | 15 410 | (59.2) | 16 599 | (60.7) | 17 589 | (61.2) | 18 262 | (61.3) | 18 588 | (62.0) | 19 200 | (63.3) | 19 437 | (63.1) | <0.001 |
| PADs (N, %) | 6646 | (28.8) | 7710 | (29.6) | 7793 | (28.5) | 8361 | (29.1) | 8924 | (30.0) | 8511 | (28.4) | 8322 | (27.4) | 8241 | (26.8) | 0.064 |
| Foot ulcers (N, %) | 8846 | (38.4) | 9758 | (37.5) | 9815 | (35.9) | 10 040 | (35.0) | 10 402 | (34.9) | 10 121 | (33.7) | 9947 | (32.8) | 10 415 | (33.8) | <0.001 |
| Major phenotypes | |||||||||||||||||
| Cellulitis or abscess (N, %) | 11 595 | (50.3) | 13 171 | (50.6) | 14 140 | (51.7) | 14 971 | (52.1) | 15 461 | (51.9) | 15 739 | (52.5) | 16 320 | (53.8) | 16 565 | (53.8) | <0.001 |
| Osteomyelitis (N, %) | 1575 | (6.8) | 1723 | (6.6) | 1914 | (7.0) | 2074 | (7.2) | 2283 | (7.7) | 2213 | (7.4) | 2208 | (7.3) | 2273 | (7.4) | 0.039 |
| Necrotizing fasciitis (N, %) | 1616 | (7.0) | 1910 | (7.3) | 2072 | (7.6) | 2253 | (7.8) | 2360 | (7.9) | 2490 | (8.3) | 2467 | (8.1) | 2538 | (8.2) | <0.001 |
| Gangrene (N, %) | 3389 | (14.7) | 3760 | (14.4) | 3638 | (13.3) | 3760 | (13.1) | 3959 | (13.3) | 3652 | (12.2) | 3486 | (11.5) | 3477 | (11.3) | <0.001 |
| Hospitalization (N, %) | 14 901 | (64.6) | 17 313 | (66.5) | 17 791 | (65.0) | 18 861 | (65.7) | 19 464 | (65.4) | 19 339 | (64.5) | 19 075 | (62.9) | 18 966 | (61.6) | 0.023 |
| Vascular interventions (N, %) | 1423 | (6.2) | 2202 | (8.5) | 2929 | (10.7) | 3720 | (13.0) | 4711 | (15.8) | 5020 | (16.7) | 5448 | (18.0) | 5988 | (19.5) | <0.001 |
| PTAs (N, %) | 1059 | (4.6) | 1710 | (6.6) | 2379 | (8.7) | 3229 | (11.2) | 4258 | (14.3) | 4676 | (15.6) | 5199 | (17.1) | 5745 | (18.7) | <0.001 |
| Bypass surgery (N, %) | 478 | (2.1) | 741 | (2.9) | 908 | (3.3) | 912 | (3.2) | 1005 | (3.4) | 885 | (3.0) | 792 | (2.6) | 818 | (2.7) | 0.995 |
N, number of patients;PAD, peripheral arterial disease; PTA, percutaneous transluminal angioplasty.