Box 1a. Correlation between intertest interval (ITI) and CD4 count at diagnosis among all persons diagnosed with HIV/AIDS in King County 2005–2009.
Box 2a. Correlation between ITI and CD4 count at diagnosis among persons with laboratory-confirmed dates of last negative HIV test.
Box 1b. Distribution of ITI in persons diagnosed with AIDS within one year among all persons diagnosed with HIV/AIDS in King County 2005–09
Box 2b. Distribution of ITI in persons diagnosed with AIDS within one year among persons with laboratory-confirmed dates of last negative HIV test.
aLimited to the >95% of persons with ITI <120 months.