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ets exposure, lung cancer - Legacy Tobacco Documents Library

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Table 7 .<br />

Power Calcuiation<br />

Odds Ratio Percent Controls Exposad<br />

To Detect<br />

20% 4001. 60'/.<br />

1 .25 1616 1124 1172<br />

1 .50 419 303 329<br />

. . 1 .75 214 161 179<br />

~<br />

2 .00 134 104 119<br />

SZ '-~'TS 0~'i207<br />

aC =<br />

http://legacy.library.ucsf.edu/tid/wyk81f00/pdf<br />

.05 (1-taifcd) R - I

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