Characteristics of infants with beriberi and febrile and afebrile controls.

Superscript numbers refer to sample size if data missing.amedian (range),bmean (95%CI),cof those with siblings,dfor reference ranges see table base,ematched comparison of both control groups combined, with cases, exceptfmatched comparison of the groups separately, the first P value refers to cases versus febrile controls and the second P value to cases versus afebrile controls,gp-value could not be obtained in the matched analysis as the mothers of cases were all breast fed,hp-value could not be obtained in the matched analysis as the results for all controls were zero.d97.5th percentiles for males and females over the age range 0–1 years forBNP (pg/ml)0–31–3–6 months–97.5th percentiles for males and females over the age range 0–1 y for NT-pro-BNP(pg/ml) [41]0–0–31–31–3–3–6 months–6 months–The first line in each row refers to all those with data and the second line to only infants with basal ETK data.