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Time to initial parasitemia detected by polymerase chain reaction (PCR), quantitative buffy coat (QBC) test, or thick blood smear. Parasitemia was detected by PCR (median = 10.8 days, interquartile range = 8.8–11.8 days) earlier than by QBC (median = 11.8 days, inter-quartile range = 10.8–13.8 days) (P = 0.0009, by Wilcoxon signed ranks test).
