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Sample Size Estimation In Cohort Studies For Testing Of Relative Risk

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TABLE 1: SAMPLE SIZE BY EXISTING FORMULA FOR FIXED VALUES OF α=0.05, 1-β=0.80 AND INCIDENCE RATE AMONG UNEXPOSED GROUP (P2)
TABLE 2: ADEQUATE SAMPLE SIZE FOR FIXED VALUES α=0.05, 1-β=0.80, AND VARYING PRECISION & P2(PROPOSED METHOD)
TABLE 3: ADEQUATE SAMPLE SIZE FOR FIXED VALUES OF Α=0.05, 1-Β=0.80, AND VARYING P2 & SE (PRECISION=Z SCORE X SE)
TABLE 4: ADEQUATE SAMPLE SIZE FOR FIXED VALUES OF α=0.05, 1-β=0.80, AND VARYING P2 & SE (PRECISION=Z SCORE X SE)

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