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Table 1 In vitro susceptibility of Thai P. falciparum isolates according the years

From: In vitro antimalarial drug susceptibility in Thai border areas from 1998–2003

Year GMIC50 CQ (nM) GMIC50 QN (nM) GMIC50 MQ (nM) GMIC50 DHA (nM)
  Mean 95%CI Mean 95%CI Mean 95%CI Mean 95%CI
1998 72.5 56.7–89.7 178.3 121.1–262.4 20.1 11.7–34.5 1.07 0.82–1.39
2000 65.1 44.8–94.5 243.4 163.7–361.8 28.1 15.8–50.1 1.64 0.92–2.92
2002 67.8 53.2–86.5 184.7 152.1–224.5 30.4 25.5–36.1 1.46 1.16–1.84
2003 79.1 68.8–90.1 136b 115.2–160.4 19.1 15.3–23.7 1.35 1.12–1.63
  1. a Geometric mean 50% inhibitory concentration in vitro
  2. b Significant difference with 2000 (p = 0.012) and 2002 (p = 0.024)