Table 1 Characteristics of inpatient cases with lower limb amputations 2005–2015 in Germany
2005 | 2007 | 2009 | 2011 | 2013 | 2015 | |
|---|---|---|---|---|---|---|
Number of cases with lower limb amputation N | 52,096 | 51,922 | 53,646 | 53,956 | 55,115 | 55,595 |
Number of hospitals N | 1,344 | 1,281 | 1,249 | 1,194 | 1,142 | 1,109 |
Median annual case number per hospital (IQR) | 25 (11–56) | 25 (11–58) | 27 (11–63) | 28 (11–68) | 30 (11–73) | 33 (10–75) |
Average length of stay | 30.6 | 29.6 | 27.5 | 25.9 | 25.1 | 24.0 |
In-hospital mortality N (%) | 5,837 (11.2%) | 5,462 (10.5%) | 5,011 (9.3%) | 4,518 (8.4%) | 4,482 (8.1%) | 4,276 (7.7%) |
Women N (%) | 19,718 (37.8%) | 18,974 (36.5%) | 18,571 (34.6%) | 17,779 (33.0%) | 17,723 (32.2%) | 16,971 (30.5%) |
Median age (IQR) | 72 (64–80) | 72 (65–80) | 73 (65–80) | 73 (65–81) | 74 (64–81) | 74 (64–81) |
Underlying disease N (%) | ||||||
Diabetes mellitus without peripheral arterial diseasea | 6,166 (11.8%) | 5,557 (10.7%) | 5,161 (9.6%) | 5,454 (10.1%) | 5,386 (9.8%) | 6,075 (10.9%) |
Diabetes mellitus with peripheral arterial diseasea | 23,887 (45.9%) | 24,595 (47.4%) | 26,168 (48.8%) | 26,286 (48.7%) | 26,398 (47.9%) | 26,492 (47.6%) |
Peripheral arterial disease without diabetes mellitusa | 12,198 (23.4%) | 12,431 (23.9%) | 12,519 (23.3%) | 12,213 (22.7%) | 12,560 (22.8%) | 12,272 (22.1%) |
Other diseases | 9,845 (18.9%) | 9,339 (18.0%) | 9,798 (18.3%) | 10,003 (18.5%) | 10,771 (19.5%) | 10,756 (19.4%) |
Diabetic foot syndromeb | – | – | 19,674 (36.7%) | 22,240 (41.2%) | 22,874 (41.5%) | 24,371 (43.8%) |
Amputation level N (%) | ||||||
Hip joint/femoral | 13,958 (26.8%) | 13,074 (25.2%) | 12,342 (23.0%) | 11,238 (20.8%) | 10,575 (19.2%) | 9644 (17.3%) |
Knee/lower leg | 8,713 (16.7%) | 8,149 (15.7%) | 7,714 (14.4%) | 6,813 (12.6%) | 6,515 (11.8%) | 6,411 (11.5%) |
Foot complete | 381 (0.7%) | 306 (0.6%) | 274 (0.5%) | 314 (0.6%) | 331 (0.6%) | 310 (0.6%) |
Mid−/forefoot | 6,825 (13.1%) | 7,613 (14.7%) | 8,505 (15.9%) | 9,281 (17.2%) | 9,764 (17.7%) | 8,378 (15.1%) |
Toe/foot ray | 21,419 (41.1%) | 21,795 (42.0%) | 23,941 (44.6%) | 25,510 (47.3%) | 27,167 (49.3%) | 29,153 (52.4%) |
Hemipelvectomy | 60 (0.1%) | 63 (0.1%) | 43 (0.1%) | 68 (0.1%) | 60 (0.1%) | 45 (0.1%) |
Leg miscellaneous/not further stated | 66 (0.1%) | 65 (0.1%) | 47 (0.1%) | 34 (0.1%) | 50 (0.1%) | 31 (0.1%) |
Foot miscellaneous/not further stated or interiorc | 674 (1.3%) | 857 (1.7%) | 780 (1.5%) | 698 (1.3%) | 653 (1.2%) | 1623 (2.9%) |
Revascularization during the same hospital stay N (%) | ||||||
Surgery of peripheral arteries | 9,094 (17.5%) | 9,352 (18.0%) | 9,470 (17.7%) | 9,125 (16.9%) | 9,201 (16.7%) | 8,727 (15.7%) |
Percutaneous transluminal angioplasty | 5,463 (10.5%) | 6,730 (13.0%) | 8,616 (16.1%) | 10,166 (18.8%) | 11,622 (21.1%) | 12,343 (22.2%) |
Reamputation during the same hospital stay N (%) | ||||||
Cases with reamputation | 6,861 (13.2%) | 6,516 (12.5%) | 6,090 (11.4%) | 5,889 (10.9%) | 5,715 (10.4%) | 5,646 (10.2%) |
In-hospital mortality among cases with reamputation N (%) | 997 (14.5%) | 921 (14.1%) | 819 (13.4%) | 717 (12.2%) | 718 (12.6%) | 663 (11.7%) |