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Table 3 Correlations between sex differences in each adjusted dataset and the between-group differences in the criterial subsamples

From: Sex differences in gray matter volume: how many and how large are they really?

  VBM8 Proportion Covariate regression PCP Residuals
TIV-matched (sex effect) − 0.177$ − 0.179$ 0.722*** 0.648*** 0.722***
Only males (TIV effect) − 0.211* − 0.205* 0.085 0.103 0.085
Only females (TIV effect) − 0.250** − 0.241** 0.059 0.070 0.059
Raw (TIV and sex effects) − 0.529*** − 0.640*** − 0.022 − 0.064 − 0.022
  1. Correlations between the p values of the sex differences obtained in each adjusted dataset and the p values of the between-group differences observed in the three criterial subsamples. Spearman’s rho rank correlations were calculated using the ordering of the p values of the sex differences obtained in each adjusted dataset and the group effects observed in criterial subsamples, providing unbiased estimations of sex (TIV-matched subsample) and TIV (only-males and only-females subsamples) effects. For comparison purposes, the correlations with the p values of the sex differences observed in raw gray matter volumes are also provided ($p < 0.06, *p < 0.05, **p < 0.01, ***p < 0.1−8)