Table 4 Index of waves at the same band in different leads at the 1st MECT and 6th MECT in SZ patients

14.38 ± 2.53

13.99 ± 3.42**

−0.927

0.000

12.92 ± 2.38

13.22 ± 1.77**

0.822

0.000

11.70 ± 1.89

11.12 ± 2.18

−1.182

0.202

10.98 ± 2.43

10.80 ± 1.74**

−0.494

0.000

12.17 ± 2.91

11.58 ± 1.75**

−1.341

0.000

15.06 ± 2.03

16.83 ± 3.26

2.611

0.273

13.73 ± 2.13

14.89 ± 2.00

2.572

0.061

13.06 ± 2.40

12.50 ± 2.03

−1.127

0.076

11.30 ± 3.11

11.88 ± 2.22**

1.184

0.001

12.45 ± 2.89

12.86 ± 2.05**

0.853

0.003

11.08 ± 1.23

10.35 ± 1.79**

−2.630

0.001

12.14 ± 1.15

11.69 ± 2.09**

−1.426

0.000

11.83 ± 1.53

11.33 ± 2.78**

−1.660

0.000

12.29 ± 2.38

11.43 ± 2.41**

−2.051

0.001

11.43 ± 1.32

11.33 ± 2.07**

−0.330

0.000

11.90 ± 1.38

11.65 ± 1.02*

−0.930

0.039

13.15 ± 1.30

12.83 ± 1.06

−1.137

0.188

13.46 ± 3.06

12.56 ± 1.67**

−1.804

0.002

13.09 ± 2.29

12.68 ± 1.36**

−1.346

0.000

12.16 ± 2.11

12.94 ± 1.73*

2.046

0.010

13.36 ± 3.38

11.44 ± 2.07*

−2.633

0.021

13.03 ± 1.89

12.55 ± 1.68

−0.874

0.177

15.13 ± 2.69

16.36 ± 3.15**

2.137

0.008

16.24 ± 2.44

16.49 ± 2.85*

0.246

0.048

14.35 ± 2.25

13.80 ± 1.83

−0.963

0.937

13.53 ± 2.20

13.86 ± 2.28

0.604

0.199

14.66 ± 1.86

14.43 ± 2.07

−0.462

0.271

17.66 ± 4.58

17.20 ± 2.77*

−0.581

0.018

18.34 ± 3.98

17.60 ± 3.23**

−1.039

0.007

15.46 ± 2.13

15.99 ± 2.79

0.762

0.922

8.72 ± 1.52

9.83 ± 2.49

1.882

0.717

8.97 ± 1.21

8.85 ± 1.93*

−0.220

0.032

7.92 ± 1.41

8.04 ± 1.43

0.284

0.744

8.31 ± 1.41

8.23 ± 1.48

−0.179

0.457

9.04 ± 1.50

9.10 ± 1.60

0.150

0.680

12.01 ± 3.56

12.05 ± 1.49

0.045

0.072

11.45 ± 2.57

11.52 ± 1.22

0.117

0.439

9.90 ± 1.68

10.85 ± 1.22

2.526

0.468

9.81 ± 1.73

10.88 ± 1.29

2.987

0.151

12.26 ± 3.74

12.38 ± 1.02

0.159

0.373