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. 2014 Jun 5;13:219. doi: 10.1186/1475-2875-13-219

Figure 1.

Figure 1

HR and hQT stratified by age groups (<2 years, 2 to <4 years, ≥ 4). Heart rate and hQT stratified by age group (<2 years, 2 to <4 years, ≥ 4 years) upon hospitalization in relation to day 1 and day 42: A heart rate, B hQT, C hQT for children with positive urine sample of 4-aminoquinoline drugs, D hQT for children without positive urine sample of 4-aminoquinoline drugs. The boxplots display medians and interquartile ranges. The age groups were compared by t-test: *P < 0.05, **P < 0.005, ***P < 0.001, ns not significant.