Displaying 2 results from an estimated 2 matches for "exposed1".
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exposed
2006 Nov 10
3
Confidence interval for relative risk
...-----------------------------------------
=== end example ===
So Epi gives me a lower limit of NaN but the same confidence
interval and p-value as fisher.test
=== epitools example ===
> library(epitools)
> riskratio(outcome)
$data
Outcome
Predictor Disease1 Disease2 Total
Exposed1 500 0 500
Exposed2 500 8 508
Total 1000 8 1008
$measure
risk ratio with 95% C.I.
Predictor estimate lower upper
Exposed1 1 NA NA
Exposed2 Inf NaN Inf
$p.value
two-sided
Predictor midp.exact fisher...
2007 Jun 11
1
epitools and R 2.5
...trix(c(227,473,74,126),2))
Warning: a final empty element has been omitted
the part of the args list of 'list' being evaluated was:
(tab = tab, measure = oddsratio, conf.level = conf.level, pvalue = pvalue, )
$tab
Outcome
Predictor Disease1 p0 Disease2 p1 oddsratio lower upper p.value
Exposed1 227 0.3242857 74 0.37 1.0000000 NA NA NA
Exposed2 473 0.6757143 126 0.63 0.8171533 0.5887731 1.134120 0.2348794
$measure
[1] "wald"
$conf.level
[1] 0.95
$pvalue
[1] "fisher.exact"
> R.version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32...