Table 2.

Number of ECT Sessions

Clinical Characteristics	N	Mean ± SD Number of ECT Sessions	P value
Sex
Female	60	11.8 ± 4.9	0.942
Male	35	11.7 ± 4.6
Age
<60 years	76	11.2 ± 4.6	0.014*
≥60 years	19	14.2 ± 4.7
Diagnosis
Schizophrenia	32	13.3 ± 5.5	0.263
Schizoaffective disorder	10	10.1 ± 2.7
Bipolar disorder	24
Depression	10	14.4 ± 5.6
Mania	14	9.4 ± 1.9
Major depressive disorder	25	10.9 ± 4.3
Other diagnosis	4	11.8 ± 4.3
Body Mass Index (BMI)
Underweight (<18.5)	11	12 ± 6	0.998
Normal (18.5–25)	40	11.8 ± 4.2
Overweight (25–30)	30	11.8 ± 5.1
Obese (> 30)	14	11.6 ± 4.9
History of Previous ECT
No	70	11.6 ± 4.5	0.427
Yes	25	12.4 ± 5.4
Concurrent Medication
Benzodiazepine			0.103
No	91	12 ± 4.8
Yes	4	8 ± 1.4
Antipsychotic			0.937
No	13	11.7 ± 4.9
Yes	82	11.8 ± 4.7
Antidepressant
No	73	11.7 ± 4.8	0.853
Yes	82	12 ± 4.6
Anticonvulsant
No	89	11.7 ± 4.7	0.413
Yes	6	13.3 ± 5.4
Anticholinergic
No	83	11.9 ± 4.8	0.629
Yes	12	11.2 ± 4.7
Electrode Placement
Right unilateral	32	11.8 ± 4.3	0.973
Bilateral	63	11.8 ± 5

Note: *p < 0.05

Abbreviation: SD, standard deviation.