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. Author manuscript; available in PMC: 2010 Aug 31.

Published in final edited form as: J Virol Methods. 2009 Feb 24;159(1):10–14. doi: 10.1016/j.jviromet.2009.02.015

Fig. 6 — Comparison of pooled and single dried blood spot punches. Error bars represent the 95% confidence interval around each data point. For the pooled dried blood spots (5 pool 10 pool ), n = 10 for 250 copies/spot (5 pooled and 10 pooled), n = 30 and n = 20 for 125 and 50 copies/spot (5 pooled and 10 pooled, respectively), n = 20 and n = 10 for 25 copies/spot (5 pooled and 10 pooled, respectively) and 10 replicates for 12.5 and 5 copies/spot. For the single punch spots (●), n = 14 for 250 copies/spot, 40 for 125 and 50 copies/spot, 25 for 25 copies/spot, and 20 replicates for 12.5 and 5 copies per spot.

Inline graphic — Comparison of pooled and single dried blood spot punches. Error bars represent the 95% confidence interval around each data point. For the pooled dried blood spots (5 pool 10 pool ), n = 10 for 250 copies/spot (5 pooled and 10 pooled), n = 30 and n = 20 for 125 and 50 copies/spot (5 pooled and 10 pooled, respectively), n = 20 and n = 10 for 25 copies/spot (5 pooled and 10 pooled, respectively) and 10 replicates for 12.5 and 5 copies/spot. For the single punch spots (●), n = 14 for 250 copies/spot, 40 for 125 and 50 copies/spot, 25 for 25 copies/spot, and 20 replicates for 12.5 and 5 copies per spot.