Figure 1.

Numbers of patients enrolled and numbers of sputum specimens available for the analyses. Numbers of patients enrolled and numbers of sputum specimens available for the analyses by HIV ELISA results on serum (standard test), day of testing and addition of cetylpyridiniumchloride (CPC). Data for day 1, day 4 and day 7 refer to HIV testing on sputum specimens. Percentages refer to proportion of specimens with available test result out of number of patients tested positive or negative with the HIV ELISA on serum. †: Percentage of 105 specimens with CPC added. ¶: Percentage of 189 specimens with CPC added.

Egwaga et al. BMC Clinical Pathology 2007 7:8   doi:10.1186/1472-6890-7-8
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