Table 1.

Number of ClinicalTrials.gov search failures reviewed and degree of inter-rater coding agreement during the development and refinement of the coding scheme.

		Rater Agreement (%)
Round	String (#)	Full	Partial	None
Development Phase
1	854	N/A	N/A	N/A
2	1,172	N/A	N/A	N/A
Refinement Phase
1	300	48	31	21
2	150	49	25	26
3	150	75	20	5
4	150	66	25	9