Table 1 Demographic and clinical information of discovery ECT1 cohort

 Sample size (n)

n = 54

 Age (years)

65.4 ± 8.8

0.20

0.20

 Sex (M/F)

16/38

0.57

0.20

 Ethnicity (Non-Hispanic/Hispanic)

46/8

0.32

0.97

 Race (Caucasian/African American/Hispanic/Asian)

46/1/6/1

0.10

0.21

 Education degree**

5.3 ± 1.8

0.82

0.19

 Handiness (R/L)

54/0

n/a

n/a

 Height

1.7 ± 0.1

0.19

0.19

 Weight

72.3 ± 20.1

0.12

0.13

 BMI

25.9 ± 5.9

0.25

0.27

 IQ

109.8 ± 1

0.58

0.29

 Mean FD (PRE)

0.25 ± 0.12

0.82

0.96

 Mean FD (POST)

0.27 ± 0.14

0.55

0.90

 Age onset

36 ± 19.9

0.26

0.11

 Age treated

40.4 ± 17.5

0.99

0.19

 Single episode/recurrent

6/48

0.56

0.62

 Number of major depressive episodes

4.1 ± 4.1

0.49

0.04

 Duration of current depressive episode (months)

17.5 ± 22.1

0.86

0.21

 Lifetime duration years (years)

7.5 ± 10.4

0.59

0.47

 Total number of ECT treatments

10.8 ± 3.3

0.42

0.14

 Maudsley scale for treatment resistance

8.9 ± 2.0

0.41

0.90

 Last treatment: RUL/BT*

33/21

0.76

0.11

 ΔHDRS

19.9 ± 13.0

0.76

0

 ΔDKVFLFSS

5.4 ± 9.6

0

0.76