Refer to Table 6.11. The Pearson test of independence has X 2 (I) = 6.88. For equally
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Table 6.11:
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Degree of Infiltration Proportion High Clinical Change High Low 11 53 42 27 Worse 0.08 Stationary Slight improvement Moderate improvement Marked improvement 13 16 15 0.20 0.28 0.36 0.39 11
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