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Doering, L., et al. (2007). Utility of observer-rated andself-report instruments for detecting major
depression in womenafter cardiac surgery: A pilot study.
1- What was the median score for the original BDI in the whole sample?
2- If you use the cut off of a score of 10 on the BDI to diagnose depression what percent of
patients meet the diagnostic criteria?
3- Was there a statistically significant difference in preoperative risk between the two groups?
4- Was there a statistically significant different in educational level for the subjects who were
depressed and those who were not?

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