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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 Which, if any baseline characteristics are significantly different (at the 0.05 level of significance) between treatment groups
A) Disease stage
B) Annual income
C) Percentage with insurance
D) Age
E) A& C
F) B& D
Characteristic New drug Standard drug Placebo P
Age, Years 45.2(4.8) 44.9(5.1) 42.8 (4.3) 0.5746
% Female 51% 55% 57% 0.1635
Annual income, $0005 59.5(14.3) 63.8(16.9) 58.2(13.6) 0.4635
% with insurance 87% 65% 82% 0.0352
Disease Stage
Stage 1 35% 18% 33%
Stage 11 42% 37% 47%
Stage 111 23% 51% 20%
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