why do you get a negative CI what is the confidence interval for unnecessary days how to find out whether someone need not be in hospital what is the confidence interval in a patient report what is the confidence interval why use a confidence interval in a tx rx what is a CI value in the spss report what is the average number of hospital days what's the average day not needed what should the confidence interval be for a patient when referring them to a hospital how to determine the confidence interval for the days not necessary does ci make sense in statistics how to determine confidence interval how to find the confidence interval for a patient for treatment in hospital how do you find the confidence interval for the spps data? how do i find the time interval for a not necessary visit how do we compute the confidence interval for unnecessary day what is the confidence interval for days not necessary what is the standard deviation for the interval for not necessary days how do I find confidence interval