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(a) Comparison between groups in basal salivary cortisol at three-day moments (μg/dL). As it can be appreciated, SUD group showed higher levels in the morning with respect to the control group (* p ≤ 0.05). (b) Area under the curve with respect to ground (AUCg) index reflecting an increase in the diurnal pattern of cortisol levels in the SUD group (* p ≤ 0.05).
