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Race-gender distribution of post-exclusion population
| (a) Patient counts with various ethnic backgrounds listed. Gender differences are included. |
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| (b) Odds ratio of total Caucasians: 2·65, P < 0·0001 |
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| (c) Odds ratio of total African Americans: 2·99, P = 0·082 (Yates) or 0·031 (Pearson) |
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