Table 2. PATIENT CHARACTERISTICS
* F = 1.8, P = .165.
† Chi-square (likelihood ratio) = 0.6, P = .74.
‡ Chi-square (likelihood ratio) = 8.1, P = .43.
§ Chi-square (likelihood ratio) = 0.1, P = .96.
¶ Chi-square (likelihood ratio) = 10.4, P = .24.
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