Table 1. Distribution of HIV test results before and after the change in administrative requirements for HIV testing at the San Francisco Department of Public Health medical center, January 2003 to June 2007.

	Before the change in policy	%	After the change in policy	%	Total number of tests	%
Positive	336	2.0	109	2.9	445	2.2
Negative	12296	72.7	3634	95.9	15930	76.9
Indeterminate	13	0.1	1	0	14	0.1
Confidential *	3070	18.2	0	0	3070	14.8
Rejected **	1204	7.1	47	1.2	1251	6.0
Total	16919	100.0	3791	100.0	20710	100.0

^*Prior to January 2004, results of HIV testing were reported as “confidential” in the electronic database and no specific results are available.

^**814 (67.6%) HIV tests rejected before the policy change had specific documentation of rejection due to lack consent documentation.