The following table was presented in an article summarizing
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.
| 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, $000s | 59.5 (14.3) | 63.8 (16.9) | 58.2(13.6) | 0.4635 |
| % with insurance | 87% | 65% | 82% | 0.0352 |
| Disease Stage | 0.0261 | |||
| I | 35% | 18% | 33% | |
| II | 42% | 37% | 47% | |
| III | 23% | 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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