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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Circulation. 2016 Mar 1;133(9):872–880. doi: 10.1161/CIRCULATIONAHA.115.019902

Table 1.

Temporal changes for phase III protocols across disease states.

2000–2003 2004–2007 Change
Unique procedures 20.0 28.4 42.0%
Total procedures 93.6 147.5 57.6%
Total work burden (units) 27.0 43.1 59.7%
Median CRF pages 55 180 227.3%

Presented as mean or % unless noted.