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Table 3 Visual intensity of the color of the bands indicating positive results for the SD BIOLINE HIV/Syphilis Duo dual rapid test

From: Dual rapid lateral flow immunoassay fingerstick wholeblood testing for syphilis and HIV infections is acceptable and accurate, Port-au-Prince, Haiti

  N Mean (%) Standard deviation (%) Median (%) Quartile range (%) Minimum (%) Maximum (%)
HIV band color intensity 133 88.3 28.0 100 0 0.3 100
 HIV true positives 128 91.7 22.4 100 0 0.3 100
 HIV false positives 5 1.3 2.1 0.3 0.4 0.3 5.0
T. pallidum band color intensity* 126 30.3 31.9 20 37 0.3 100
T. pallidum true positives 109 34.3 32.4 23 40 0.3 100
T. pallidum fase positives 17 4.8 7.1 2 4 0.3 26
  1. *Note: Intensity was not recorded for three of the tests that were syphilis positive on the Duo test