Table 3.

Annual Estimates of Minimally Invasive Radical Prostatectomy as a Proportion of All Prostatectomies in the United States 2003 to 2009 Comparing Previously Published da Vinci Robot Manufacturer Estimates With the Nationwide Inpatient Sample Estimates

Year	Robot Manufacturer, %a,b	Nationwide Inpatient Sample, % (95% CI)
2004	10	6.20 (5.98-6.42)
2005	20	5.56 (5.34-5.77)
2006	40	10.41 (10.16-10.66)
2007	70	13.93 (13.67-14.18)
2008	85	27.65 (27.33-27.97)
2009	NA	59.55 (59.17-59.93)

Abbreviation: NA, not available.

^aBased on published estimates attributable to Intuitive Surgical.^{7-10,12,24,25}

^bConfidence intervals were not provided in original published materials.