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Table 3 Sample Size Determination in ALSTAR2

From: Functionally validated imaging endpoints in the Alabama study on early age-related macular degeneration 2 (ALSTAR2): design and methods

Pearson correlation coefficient for alternative hypothesis

Sample size required

0.2

193

0.3

84

0.4

46

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BMC Ophthalmology

ISSN: 1471-2415

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