Table 1. Summary Information on Available Tests

Test (Manufacturer) Description Reported Sensitivity/Specificity Turnaround Time Cost Comments

Confide (Direct Access Diagnostics) Home collection system 100%/99.95% 7 days $35-50 Negatives informed by recorded message; positives and indeterminates referred to counselor
Home Access (Home Access Health Care Corp.) Home collection system 100%/100% 3-7 days $40-50 All positives and indeterminates referred to counselor, as well as predetermined percentage of negatives
SUDS (Murex Corp.) Rapid serum test 99.9%/99.6% 10 minutes $283/30-test kit Negatives do not need further work-up; positives are "inconclusive" and need confirmatory routine testing
OraSure (Epitope, Inc.) Oral fluid test 99.5%/99.5% 3 days $99/3-test kit Not a home collection system; available only via M.D.'s office
Sentinel (Seradyn, Inc.) Urine test 98.7%/99.1% 2.5 hours $816/192-test kit Less sensitive than other methods; positives need routine confirmatory

Note: Sensitivity and specificity are derived from studies comparing test performance to routine serum ELISA/Western Blot. See text for details.