Short-Term Effects of Electroconvulsive Therapy on Subjective and Actigraphy-Assessed Sleep Parameters in Severely Depressed Inpatients

Table 1

Baseline sociodemographic and clinical characteristics of 12 patients undergoing ECT.

	Number or mean (±SD)
Female sex, (%)	10 (83%)
Age (year), mean (SD)	61.9 ± 14.2
Clinical diagnosis, (%)
(i) Unipolar major depressive disorder	10 (83%)
(ii) Bipolar I disorder, depressive episode	1 (8%)
(iii) Schizoaffective disorder	1 (8%)
Frequency of ECT treatment
(i) 2/week (%)	8 (67%)
(ii) Maintenance ECT	4 (33%)
Number of previous ECT sessions during present ECT course, mean (SD)	9.9 ± 6.8
Concomitant psychotropics, (%)
(i) Zolpidem	9 (75%)
(ii) Benzodiazepines	6 (50%)
(iii) Antidepressants	2 (17%)
(iv) Antipsychotics	4 (33%)
Montgomery-Åsberg Depression Rating Scale (MADRS), mean (SD)	40.3 ± 21.0
Pittsburgh Sleep Quality Index (PSQI), mean (SD)	12 ± 4.6