Editorial
Copyright ©The Author(s) 2018.
World J Meta-Anal. Aug 28, 2018; 6(3): 21-28
Published online Aug 28, 2018. doi: 10.13105/wjma.v6.i3.21
Table 1 In a longitudinal study (often referred to as a prospective or cohort study) the data may be expressed
Predictor variable
ExposedUnexposedTotal
OutcomeYesABA + B
NoCDC + D
TotalA + CB + DN