each group (Alive/Dead) in order to have 90% power to see a true mean difference of 4 in CT values using a two-sided t-test? (Assume you want the same number in each group) EBOLA pilot data ID Died Age Gender CT 1 34 Male 25 2 0 21 Female 34 3 1 43 Male 21 14 1 47 Female 17 5 0 24 Female 33 6 1 25 Male 17 7 1 59 Female 6 8 0 39 Female 25 9 40 Female 25 10 30 Female 40 11 0 40 Male 13 12 24 Female 22 13 41 Female 29 14 1 47 Female 10 15 24 Male 33 16 41 Male 23 17 0 32 Female 31 18 52 Male 20 19 O 58 Female 25 20 39 Male 17 21 59 Male 25 22 1 30 Female 25