TABLE A2.
Hospital Characteristics | Marginal Change in Utilization of Total Knee Replacements as Compared With 2001 (95% CI), P |
Marginal Change in Utilization of Percutaneous Nephrolithotomy as Compared With 2001 (95% CI), P |
---|---|---|
Robot acquisition 2001–2004 | In 2005: +3.4% (−8.2 to 14.9), P = 0.57 | In 2005: +1.4% (−12.3 to 15.1), P = 0.84 |
In 2008: −3.4% (−20.2 to 13.4), P = 0.69 | In 2008: −3.6% (−19.0 to 11.9), P = 0.65 | |
Robot acquisition 2005–2008 | In 2008: −0.4% (−12.2 to 11.3), P = 0.94 | In 2008: +2.1% (−11.7 to 15.9), P = 0.76 |
CI indicates confidence interval.