Table 8 Friedman test (nonparametric) of Hospital Case numbers of TKA over time with Post-Hoc-Tests
Friedman test | Post-hoc-tests (Dunn-Bonferroni-Test) with Bonferroni-correction | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
N | Mean | SD | Mean rank | Sig. | 2006 | 2008 | 2010 | 2012 | 2013 | 2014 | |
2006 | 1055 | 114.41 | 125,58 | 3,10 | 0,000 | x | |||||
2008 | 1055 | 134,33 | 139,28 | 4,08 | < 0.001 | x | |||||
2010 | 1055 | 133,52 | 135,30 | 4,10 | < 0.001 | 1.000 | x | ||||
2012 | 1055 | 120,76 | 123,68 | 3,48 | < 0.001 | < 0.001 | < 0.001 | x | |||
2013 | 1055 | 114,82 | 123,31 | 3,00 | 1.000 | < 0.001 | < 0.001 | < 0.001 | x | ||
2014 | 1055 | 118,05 | 128,60 | 3,24 | 1.000 | < 0.001 | < 0.001 | .037 | .050 | x | |