Two-tailed values of P<0.05 and a 95% confidence interval (CI) excluding 1.00 were considered significant, while results associated with two-tailed 0.05 ≤ P<0.10 were considered marginally significant [ 30 ].
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Association between prepregnancy body mass index and risk of congenital heart defects in offspring: an ambispective observational study in China.
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The sentences
We observed a tendency for prepregnancy overweight to increase the risk of CHDs, but the effect did not achieve significance (Table 2 ).