Table 5 Study population: annual distribution of hospitals with and without total knee arthroplasty (TKA), complying with minimum volume requirements, and case numbers

From: Impact of suspending minimum volume requirements for knee arthroplasty on hospitals in Germany: an uncontrolled before–after study

  1055 hospitals of the study population (100%) Hospitals < 50 TKA per year Hospitals ≥ 50 TKA per year
Hospitals (%) with TKA Cases treated in hospitals with TKA (100%) Hospitals (%) without TKA Hospitals (%) Cases (%) Hospitals (%) Cases (%)
2006 888 (84.2%) 120,700 167 (15.8%) 129 (12.2%) 3489 (2.9%) 759 (71.9%) 117,211 (97.1%)
2008 926 (87.8%) 141,714 129 (12.2%) 96 (9.1%) 2664 (1.9%) 830 (78.7%) 139,050 (98.1%)
2010 956 (90.6%) 140,866 99 (9.4%) 103 (9.8%) 2837 (2.0%) 853 (80.9%) 138,029 (98.0%)
2012 987 (93.6%) 127,404 68 (6.5%) 206 (19.5%) 5837 (4.6%) 781 (74.0%) 121,567 (95.2%)
2013 1007 (95.5%) 121,134 48 (4.6%) 270 (25.6%) 7643 (6.3%) 737 (69.9%) 113,491 (93.7%)
2014 1017 (96.4%) 124,544 38 (3.6%) 262 (24.8%) 7095 (5.7%) 755 (71.6%) 117,449 (94.3%)