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Table 3 Correlation analysis between functional connectivity of habenula-SN and clinical variables of MOH + CMa subjects

From: Enhanced functional connectivity between habenula and salience network in medication-overuse headache complicating chronic migraine positions it within the addiction disorders: an ICA-based resting-state fMRI study

Clinical variables r p value 95 % CI of r
Headache history 0.103 0.703 -0.204–0.557
Medication overuse duration 0.512 0.043 0.116–0.790
Attack frequency 0.299 0.260 -0.451–0.702
VASb 0.205 0.446 -0.300–0.714
PHQ-9c 0.482 0.158 -0.333–0.882
GAD-7d 0.206 0.568 -0.488–0.659
  1. a MOH + CM medication-overuse headache + chronic migraine; b VAS visual analog scale; c PHQ-9 Patient Health Questionnaire 9 Depression Scale; d GAD-7 Generalized Anxiety Disorder Assessment 7-item Scale