Table 2.
Year | Medical DRGa (%) | Surgical DRGb (%) |
---|---|---|
2006 | 34.8 | 27.4 |
2007 | 34.7 | 28 |
2008 | 32.4 | 28.1 |
2009 | 32.4 | 29.1 |
2010 | 31.7 | 27.8 |
2011 | 30.6 | 29.2 |
2006–2011 | 32.8 | 28.3 |
DRG, diagnosis-related group.
Significant trend: P<0.0001 by a zero-truncated Poisson regression model.
Significant trend: P<0.01 by a zero-truncated Poisson regression model.