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. Author manuscript; available in PMC: 2016 Jan 11.
Published in final edited form as: Med Care. 2015 Jan;53(1):71–78. doi: 10.1097/MLR.0000000000000259

TABLE A2.

Results of the Falsification Test to Determine the Association Between Adoption of the Surgical Robot and Changes in the Proportion of Partial Nephrectomy

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.