The following table was presented in an article summarizing

A randomized trial
September 27, 2019
Steps Can Be Taken To Reduce Disparities
September 27, 2019

Question

The following table was presented in an article summarizing a study to compare a new drug to a standard drug and

to a placebo.

CharacteristicNew DrugStandard DrugPlacebop
Age, years45.2 (4.8)44.9 (5.1)42.8 (4.3)0.5746
%Female51%55%57%0.1635
Annual income, $000s59.5 (14.3)63.8 (16.9)58.2(13.6)0.4635
% with insurance87%65%82%0.0352
Disease Stage0.0261
I35%18%33%
II42%37%47%
III23%51%20%

Which, if any, baseline characteristics are significantly different (at least 0.05 level of significance) between treatment groups?

a. Disease stage

b. Annual Income

c. % with insurance

d. age

e. a and c

f. b and d

 
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