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Table 1 Study population characteristics in the malaria surveys

From: The epidemiology of subclinical malaria infections in South-East Asia: findings from cross-sectional surveys in Thailand–Myanmar border areas, Cambodia, and Vietnam

  Cambodia Thai–Myanmar border areas Vietnam Overall
Median age, years (IQR, range) 21 (9–35, 0.3–83) 20 (9–37, 0.2–94) 22 (10–36, 0.1–94) 21 (9–36, 0.1–94)
Children <15 y.o. (%) 660/1766 (37 %) 923/2373 (39 %) 1112/3194 (35 %) 2695/7333 (37 %)
Male (%) 901/1766 (51 %) 1265/2377 (53 %) 1619/3207 (50 %) 3785/7350 (51 %)
Children <72 m.o. and febrile (%)a 25/242 (10 %) 30/315 (10 %) 2/184 (1 %) 57/741 (8 %)
No anaemia (Hb ≥11 g/dL) 1243 (86 %) 1319 (87 %) 1535 (74 %) 4097 (81 %)
Mild anaemia (Hb 8–<11 g/dL) 188 (13 %) 182 (12 %) 445 (21 %) 815 (16 %)
Moderate anaemia (Hb <8 g/dL) 15 (1 %) 18 (1 %) 91 (4 %) 124 (2 %)
  1. IQR inter-quartile range, y.o. years old, m.o. months old, g/dL grams per decilitre
  2. aTympanic temperature >37.5 °C