This was a cross-sectional study examining and comparing the validity of the use of three different foot length
measurement methods as screening tools to identify
LBW or preterm infants. The validity of these tools was
determined based on their comparison to the gold standards of birth weight measured with a scale and gestational age based on last menstrual period. We used the
Standards for the Reporting of Diagnostic accuracy studies (STARD) checklist for reporting of the diagnostic accuracy of this study