Question 18 Problem 5 The table below summarizes baseline ch

Question 18

Problem 5: The table below summarizes baseline characteristics on patients participating in a clinical trial.

Characteristic

Placebo (n=125)

Experimental (n=125)

P

Mean (+ SD) Age

54 + 4.5

53 + 4.9

0.7856

% Female

39%

52%

0.0289

% Less than High School Education

24%

22%

0.0986

% Completing High School

37%

36%

% Completing Some College

39%

42%

Mean (+ SD) Systolic Blood Pressure

136 + 13.8

134 + 12.4

0.4736

Mean (+ SD) Total Cholesterol

214 + 24.9

210 + 23.1

0.8954

% Current Smokers

17%

15%

0.5741

% with Diabetes

8%

3%

0.0438

Are there any statistically significant differences in baseline characteristics between treatment groups? (Check all that apply)

% Female

% Less than High School Education

% Completing High School

% Completing Some College

Mean (+ SD) Systolic Blood Pressure

Mean (+ SD) Total Cholesterol

% Current Smokers

% with Diabetes

Characteristic	Placebo (n=125)	Experimental (n=125)	P
Mean (+ SD) Age	54 + 4.5	53 + 4.9	0.7856
% Female	39%	52%	0.0289
% Less than High School Education	24%	22%	0.0986
% Completing High School	37%	36%
% Completing Some College	39%	42%
Mean (+ SD) Systolic Blood Pressure	136 + 13.8	134 + 12.4	0.4736
Mean (+ SD) Total Cholesterol	214 + 24.9	210 + 23.1	0.8954
% Current Smokers	17%	15%	0.5741
% with Diabetes	8%	3%	0.0438

Solution

Sol)

Characteristic	Placebo (n=125)	Experimental (n=125)	P	significant/Not significant
Mean (+ SD) Age	54 + 4.5	53 + 4.9	0.7856	P> 0.05 , not signifiant
% Female	39%	52%	0.0289	P < 0.05 , signifiant
% Less than High School Education	24%	22%	0.0986	P> 0.05 , not signifiant
% Completing High School	37%	36%
% Completing Some College	39%	42%
Mean (+ SD) Systolic Blood Pressure	136 + 13.8	134 + 12.4	0.4736	P> 0.05 , not signifiant
Mean (+ SD) Total Cholesterol	214 + 24.9	210 + 23.1	0.8954	P> 0.05 , not signifiant
% Current Smokers	17%	15%	0.5741	P> 0.05 , not signifiant
% with Diabetes	8%	3%	0.0438	P < 0.05 , signifiant