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. 2015 Dec 22;10(12):e0145325. doi: 10.1371/journal.pone.0145325

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© 2015 Liu et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — A. Gender difference of IDH in different age groups. *P<0.001 vs. men in the same group. B. Overall gender difference in IDH. *P<0.001 vs. men. C. Gender difference of IDH in different ethnicities. The number at the bottom of each bar indicates the group size. *P<0.001 vs. men in the same group. †P<0.001 vs. Han or other groups in the same gender.