{smcl} {* 8mar2018/3july2018/28Nov2018}{...} {cmd:help evalue}{right: ({browse "http://medical-statistics.dk/MSDS/epi/evalue/evalue.html":E-value in Epidemiology})} {hline} {title:Title} {p 4 4 2}{hi:evalue} {hline 2} calculate E-values {title:Syntax} {p 8 17 2} {cmd:evalue} {it:theObservedEffect} {ifin} [{cmd:,} {it:options} ] {synoptset 21 tabbed}{...} {synopthdr} {synoptline} {syntab :Options} {synopt :{opt m:easurement}}The effect measurement (risk ratio, odds ratio, and hazard ratio); Default is risk ratio.{p_end} {synopt :{opt l:owlimit}}The low limite of 95%CI{p_end} {synopt :{opt u:plimit}}The up limite of 95%CI{p_end} {synopt :{opt r:areoutcome}}Rare outcome assumption, for example the prevalence <= 0.15{p_end} {synoptline} {title:Description} {pstd} Command {helpb evalue} calculate E-value for an observed risk ratio, odds ratio, and hazard ratio.{p_end} {title:Options} {phang} {opt measurement} specifies the effect measurement, including 1 (risk ratio), 2 (odds ratio), and 3 (hazard ratio). Default is 1 (risk ratio). {phang} {opt lowlimit} specifies the value for the low limit of 95%CI {phang} {opt uplimit} specifies the value for the low limit of 95%CI {phang} {opt rareoutcome} the rare outcome assmption; Default value=1 assumes the outcome is relatively rare (the prevalence<=0.15), otherwise, input 0 if the the outcome is relatively common. {title:Examples: click on the text in blue} {pstd} {phang}1. E-value for an observed risk ratio {p_end} {phang}{stata "evalue 1.61, m(1)": .evalue 2.95, m(1)} {p_end} {phang}1. E-value for an observed risk ratio and the low limit of 95%CI {p_end} {phang}{stata "evalue 1.61, m(1) l(1.06) ": .evalue 1.61, m(1) l(1.06) } {p_end} {phang}1. E-value for an observed odds ratio if the outcome is relatively rare (the prevalence <=0.15) {p_end} {phang}{stata "evalue 2.02, m(2)": .evalue 2.02, m(2)} {p_end} {phang}1. E-value for an observed odds ratio and the low limit of 95%CI if the outcome is relatively rare (the prevalence <=0.15){p_end} {phang}{stata "evalue 2.02, m(2) l(1.08) ": .evalue 2.02, m(2) l(1.08) } {p_end} {phang}1. E-value for an observed odds ratio if the outcome is common (the prevalence >0.15) {p_end} {phang}{stata "evalue 2.02, m(2) r(0)": .evalue 2.02, m(2) r(0)} {p_end} {phang}1. E-value for an observed odds ratio andthe low limit of 95%CI if the outcome is common (the prevalence >0.15){p_end} {phang}{stata "evalue 2.02, m(2) l(1.08) r(0)": .evalue 2.02, m(2) l(1.08) r(0)} {p_end} {phang}1. E-value for an observed hazard ratio if the outcome is relatively rare (the prevalence <=0.15) {p_end} {phang}{stata "evalue 0.10, m(3)": .evalue 0.10, m(3)} {p_end} {phang}1. E-value for an observed hazard ratio and the uplimit of 95%CI if the outcome is relatively rare (the prevalence <=0.15){p_end} {phang}{stata "evalue 0.10, m(3) u(0.26)": .evalue 0.10, m(3) u(0.26)} {p_end} {phang}1. E-value for an observed odds ratio if the outcome is common (the prevalence >0.15) {p_end} {phang}{stata "evalue 0.10, m(3) r(0)": .evalue 0.10, m(3) r(0)} {p_end} {phang}1. E-value for an observed odds ratio and the up limit of 95%CI if the outcome is common (the prevalence >0.15){p_end} {phang}{stata "evalue 0.10, m(3) u(0.26) r(0)": .evalue 0.10, m(3) u(0.26) r(0)} {p_end} {title:More examples} click on {browse "http://medical-statistics.dk/MSDS/epi/evalue/evalue.html":her} {title:References} {phang}VanderWeele TJ, Ding P.{p_end} {phang}{browse "https://www.ncbi.nlm.nih.gov/pubmed/28693043":Sensitivity Analysis in Observational Research: Introducing the E-Value.} {title:Author} {pstd} Chunsen Wu, the University of Southern Denmark; Odense University Hospital, Denmark{break} {browse cwu@health.sdu.dk}{break} {browse chunsen.wu@rsyd.dk} {title:Also see} {p 7 14 2} Help: {helpb dag}, {helpb biasepi} {p_end}