Table 3 Sample baseline demographic and clinical characteristics.

From: Neurocognitive moderation of repetitive transcranial magnetic stimulation (rTMS) effects on cannabis use in schizophrenia: a preliminary analysis

Measure

Group

p

Active rTMS (n = 9)

Sham (n = 10)

Diagnosis (SCZ/SA)

7/2

7/3

ns

Age of SCZ diagnosis (years)

23.89 ± 4.70

20.40 ± 2.07

0.05

Atypical/typical/both AP

6/0/3

8/2/0

ns

Age (years)

34.78 ± 10.35

29.10 ± 5.38

0.15

Gender (M/F)

9/0

9/1

ns

Ethnicity (White/Black/Hispanic/Other/Mixed)

5/3/1/0/0

4/3/0/1/2

ns

Education (years)

12.56 ± 2.60

12.35 ± 1.63

0.24

WTAR IQ Score

105.89 ± 9.25

105.20 ± 5.96

0.85

PANSS positive

13.78 ± 3.42

12.20 ± 3.58

0.34

PANSS negative

14.67 ± 4.61

13.60 ± 3.60

0.58

PANSS general

26.00 ± 5.70

24.10 ± 5.02

0.45

PANSS total

54.44 ± 10.01

49.90 ± 8.25

0.29

CUD severity (moderate/severe)

4/5

4/6

ns

Grams per day

0.64 ± 0.27

1.32 ± 1.94

0.31

NarcoCheck® THC-COOH (ng/mL)

385.53 ± 222.62

360.00 ± 214.48

0.80

CUDIT-R (n = 6,6)

16.17 ± 6.97

17.83 ± 5.12

0.65

Joint-Years

10.37 ± 7.83

6.59 ± 4.66

0.21

Age of first cannabis use

16.33 ± 2.78

15.90 ± 2.28

0.71

Age of first regular cannabis use

19.33 ± 2.96

17.20 ± 2.66

0.12

Previous quit attempts

1.67 ± 1.41

2.40 ± 3.89

0.60

AUDIT (n = 5,6)

3.60 ± 2.41

4.00 ± 2.37

0.79

FTND

2.56 ± 1.94

3.90 ± 3.28

0.30

Carbon monoxide level (ppm_)

11.56 ± 9.58

18.10 ± 13.30

0.24

Neurocognitive Tasks edian (range)

Hopkins Verbal Learning Test

Delayed recall

8 (2–10)

7 (4–12)

0.71

Percent retention

88.9 (50–133)

87.5 (54.5–116.7)

0.65

Discrimination index

10 (4–12)

11 (6–12)

0.14

Spatial delayed response

5 s delay

19 (8–38)

21 (13–48)

0.81

15 s delay

19 (10–62.3)

22.5 (16.4–68)

0.72

30 s delay

25 (10–80)

25 (19.6–83)

0.49

Digit Span task

Forward

10 (7–16)

10 (4–13)

0.87

Backward

7 (4–10)

6 (3–9)

0.65

Continuous Performance Test

Variability

13.26 (3.18–33.52)

17.57 (4.36–53.05)

0.84

Hit rate

407.47 (345.66–520.63)

372.12 (310.4–431.88)

0.08

Attentional index (d’)

1.52 (−2.48–4.27)

0.56 (−3.46–0.93)

0.08

Kirby Delay-Discounting Task

Natural logarithm of Geometric K

−3.67 (−4.19–−3.06)

−2.90 (−6.44–−1.62)

0.36

Tower of London

Total correct

82 (78–132)

88 (80–98)

0.56

Problem solving time

100 (92–104)

95 (76–100)

0.88

Total moves

87 (78–118)

87 (70–96)

0.38

Initiation

99 (92–102)

99 (96–110)

0.88