import excel "C:\Users\paola.rebora\Documents\data\RCT_OK.xls", sheet("Foglio1") firstrow clear

summarize age  BMI
tabulate sex 



by random, sort : summarize age  BMI

graph box age, over(random)
graph box BMI, over(random)

tabulate sex random, column

by random, sort : summarize  DEGENZA 
graph hist DEGENZA, over(random)
 ttest DEGENZA, by(random)


tabulate OVERALLINFEZIONI random, column
gen y=1 if OVERALLINFEZIONI=="SI"
replace y=0 if OVERALLINFEZIONI=="NO"
prtest y, by(random)