Mean changes from baseline in score on the 17-item Hamilton Rating Scale for Depression (HAMD-17), Clinical Global Impression-Severity (CGI-S) and Self-rating Depression Scale (SDS).

<p>Data are expressed as mean with 95% confidence interval (95% CI). * <i>P</i>≤0.037: between-group comparison using Student <i>t</i>-test.</p

Changes in score on depression scales from baseline in MDD patients.

a<p>Overall and between-group <i>P</i> values were obtained from linear mixed-effects model analysis and student <i>t</i>-test, respectively.</p><p>MDD, major depressive disorder; n-EA, noninvasive electroacupuncture; DCEAS, dense cranial electroacupuncture stimulation; 95% CI, 95% confidence interval; HAMD-17, 17-item Hamilton Rating Scale for Depression; CGI-S, Clinical Global Impression-Severity; SDS, Self-rating Depression Scale.</p

Acupoints used in dense cranial electroacupuncture stimulation (DCEAS).

<p>Acupoints used in dense cranial electroacupuncture stimulation (DCEAS).</p

Adverse events occurred in at least 5% of patients in either group.

a<p><i>P</i> values were calculated from Fisher Exact test.</p><p>n-EA, noninvasive electroacupuncture; DCEAS, dense cranial electroacupuncture stimulation.</p