Displaying 1 result from an estimated 1 matches for "thoracoabdominal".
2000 Sep 23
1
logsitic prediction
...as to how these standard errors materialized in uncertainty in
predicting the risk of renal failure for a fellow age such and such etc.
The approach below gives very broad ranges but I can't see it is obviously
wrong ?
#simulations for Schepens: Risk assessment of acute renal failure after
#thoracoabdominal aortic aneurysm surgery, Annals of Surgery 1994;219:400-407
#Final logistic regression has u = -14.42+0.1723*age+0.005481*crea
#and prob = exp(u)/(1+exp(u))
#coefficients are given with se: 4.71, 0.0649 and 0.0029 respectively;n=84
sd <- c(4.71,0.0649,0.0029)*sqrt(84)
mean <- c(-14.42,0.1723,...