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Figure 3 | BMC Medical Genetics

Figure 3

From: Lack of association of genetic variation in chromosome region 15q14-22.1 with type 2 diabetes in a Japanese population

Figure 3

Power calculation. The power of this case-control association test to detect association against the risk allele frequency with a type 1 error rate of 0.05 in Stage 1 samples (A), in Stage 2 samples (B), and combined samples (C). 372 cases and 360 controls subjects were set in Stage 1, 532 cases and 530 controls subjects were set in Stage 2, and 904 and 890 controls subjects were set in Stage 1 + Stage 2 combined samples with variable power and a type 1 error rate of 0.05. A) – C) graphs were plotted with the PS program.

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