Effect of quantitative consciousness index on seizure parameters during electroconvulsive therapy in patients with major depressive disorder

Table 1 Demographic data, Hamilton Depression Rating Scale score, Zung’s Self-rating Depression Scale score, Montreal Cognitive Assessment score, and cardiorespiratory findings of three groups of patients

Characteristics	Group 1: qCON 60-70	Group 2: qCON 50-60	Group 3: qCON40-50
Age, years	32.3 ± 14.2	33.9 ± 15.0	31.9 ± 13.6
Male	2/8	1/8	1/8
Weight, kg	55.6 ± 7.0	55.9 ± 13.6	57.8 ± 15.5
Height, cm	162.3 ± 9.1	162.1 ± 9.9	164.9 ± 5.9
Propofol dose, mg (IQR)	85.5 (72.0, 88.5)	87.0 (70.5, 100.5)	85.5 (66.0, 105.0)
Succinylcholine dose, mg (IQR)	57.0 (48.0, 59.0)	58.0 (47.0, 67.0)	57.0 (44.0, 70.0)
Interventions, median (IQR)	8 (7, 9)	8 (6.5, 10)	8 (7.5, 8)
Baseline HAMD-24 score	42.8 ± 4.4	41.3 ± 4.4	42.3 ± 4.0
HAMD-24 score after fourth ECT	21.0 ± 4.4	22.4 ± 5.9	27.9 ± 7.7
HAMD-24 score after full ECT course	12.3 ± 4.7	13.3 ± 5.1	17.0 ± 6.0
Baseline SDS score	69.2 ± 7.4	65.8 ± 6.7	67.8 ± 6.0
SDS score after fourth ECT	57.7 ± 7.9	56.1 ± 11.6	60.3 ± 5.3
SDS score after full ECT course	49.7 ± 3.9	49.7 ± 5.7	54.4 ± 5.4
Baseline MoCA score	24.8 ± 2.6	25.1 ± 2.9	24.9 ± 2.9
MoCA score after fourth ECT	22.6 ± 2.1	23.5 ± 3.3	22.6 ± 3.1
MoCA score after full ECT course	23.4 ± 1.7	24.4 ± 2.9	24.1 ± 2.5
Cardiorespiratory data
Baseline heart rate, bpm	89.0 ± 9.8	87.0 ± 16.8	84.3 ± 19.3
Baseline systolic blood pressure, mmHg	118.9 ± 14.1	113.5 ± 14.0	112.1 ± 11.3
Baseline diastolic blood pressure, mmHg	74.4 ± 8.8	74.3 ± 11.3	70.0 ± 7.1
Baseline peripheral oxygen saturation, %	96.8 ± 1.4	97.3 ± 1.2	97.3 ± 1.2

ECT: Electroconvulsive therapy; HAM-D: Hamilton Depression Rating Scale; SDS: Zung’s Self-rating Depression Scale; MoCA: Montreal Cognitive Assessment; qCON: Quantitative consciousness.