A clinical trial evaluated a new compound designed to improve wound healing in t

Question

A clinical trial evaluated a new compound designed to improve wound healing in trauma patients. the new compound was compared against a placebo. After treatment for 5 days with the new compound or placebo , the extent of wound healing was measured and the data are shown in Table 7-45. Is there a difference in the extent of wound healing by treatment? Run the test a a 5% level of significance. (Hint: Are treatment and percent of wound healing independent?)

Table 7-45

Percent Wound Healing
Treatment 0-25 26-50 51-75 76-100
New Compound 15 37 32 41
n=125
Placebo 36 45 34 10

Explanation / Answer

No

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