Table 3 Average trajectories in means and standard deviations for primary and secondary outcomes from baseline to post-assessment and follow-up.

From: Intermittent theta burst stimulation over the left prefrontal cortex: no additional effect for virtual reality exposure therapy in acrophobia—a randomized trial

Outcome

Sham TMS

Active TMS

Sham vs. Active TMS

M (SD) or N (%)

Within ES

M (SD) or N (%)

Within ES

Between ES

Time

Time x TMS group

BL

Post

FU

BL to Post

BL to FU

BL

Post

FU

BL to Post

BL to FU

Post

FU

F

p

F

p

AQ

 Anxiety

52.17 (14.52)

38.63 (17.87)

23.57 (12.66)

− 0.66 [− 1.12,− 0.20]

− 1.39 [− 1.89,− 0.89]

53.29 (13.36)

39.32 (15.02)

28.54 (14.40)

− 0.68 [− 1.14,− 0.22]

− 1.20 [− 1.70,− 0.71]

0.03 [− 0.42,0.49]

0.05 [− 0.40,0.50]

63.60

 < .001***

0.50

.610

 Avoidance

33.69 (3.51)

27.31 (4.24)

24.11 (2.73)

− 1.08 [− 1.56,− 0.60]

− 1.69 [− 2.22,− 1.17]

33.17 (4.71)

27.56 (4.41)

25.92 (3.99)

− 0.95 [− 1.43,− 0.47]

− 1.26 [− 1.76,− 0.76]

0.05 [− 0.40,0.50]

0.37 [− 0.08,0.83]

82.11

 < .001***

1.79

.169

ATHQ

37.92 (12.58)

26.84 (9.52)

19.45 (9.84)

− 0.56 [− 1.02,− 0.10]

− 0.91 [− 1.39,− 0.44]

36.18 (14.45)

22.55 (11.33)

21.46 (11.51)

− 0.72 [− 1.18,− 0.26]

− 0.82 [− 1.29,− 0.35]

− 0.19 [− 0.64,0.26]

0.11 [− 0.34,0.56]

28.39

 < .001***

0.87

.420

ADS-K

5.14 (3.89)

3.95 (2.79)

4.04 (2.93)

− 0.30 [− 0.75,0.15]

− 0.19 [− 0.64,0.26]

5.21 (4.02)

5.16 (3.81)

5.49 (4.19)

0.05 [− 0.40,0.50]

0.17 [− 0.28,0.63]

0.30 [− 0.15,0.76]

0.30 [− 0.15,0.76]

0.73

.483

1.52

.222

ASI-3

17.65 (10.64)

14.34 (8.23)

11.57 (6.06)

− 0.23 [− 0.68,0.22]

− 0.46 [− 0.92,− 0.01]

17.08 (8.68)

14.71 (8.64)

12.67 (9.04)

− 0.17 [− 0.62,0.28]

− 0.27 [− 0.72,0.18]

0.03 [− 0.42,0.48]

0.16 [− 0.29,0.62]

5.04

.007*

0.33

.719

BAT (VR)

 STAI State

38.26 (8.05)

29.97 (6.92)

27.22 (4.96)

− 0.79 [− 1.27,− 0.32]

− 1.08 [− 1.57,− 0.60]

36.52 (7.28)

30.60 (8.48)

28.36 (7.78)

− 0.57 [− 1.04,− 0.10]

− 0.81 [− 1.30,− 0.32]

0.07 [− 0.39,0.52]

0.13 [− 0.33,0.60]

33.16

 < .001***

0.78

.462

 Max. Distance

19.76 (18.30)

32.61 (19.36)

34.86 (18.89)

0.41 [− 0.04,0.87]

0.46 [0.00,0.92]

22.67 (19.47)

31.06 (18.12)

37.29 (18.67)

0.27 [− 0.20,0.73]

0.41 [− 0.07,0.88]

− 0.04 [− 0.50,0.41]

0.06 [− 0.41,0.52]

8.66

 < .001***

0.19

.824

 Max. Anxiety

65.74 (21.06)

47.68 (24.45)

34.11 (25.03)

− 0.37 [− 0.82,0.09]

− 0.59 [− 1.05,− 0.12]

63.33 (23.78)

55.61 (28.11)

43.91 (30.17)

− 0.12 [− 0.58,0.34]

− 0.34 [− 0.81,0.13]

0.21 [− 0.25,0.66]

0.22 [− 0.25,0.69]

7.96

 < .001***

0.60

.551

BAT (in-vivo)

 STAI State

44.74 (12.40)

31.63 (7.62)

26.77 (5.48)

− 0.97 [− 1.45,− 0.49]

− 1.43 [− 1.96,− 0.91]

38.95 (11.12)

31.05 (8.19)

26.69 (6.91)

− 0.64 [− 1.11,− 0.18]

− 1.04 [− 1.53,− 0.55]

− 0.05 [− 0.51,0.40]

− 0.01 [− 0.49,0.47]

55.49

 < .001***

2.15

.120

 Max. Distance

8.39 (3.21)

10.39 (2.05)

10.79 (1.64)

0.52 [0.06,0.98]

0.62 [0.14,1.11]

9.31 (2.84)

10.56 (2.26)

10.77 (1.96)

0.31 [− 0.15,0.77]

0.35 [− 0.12,0.81]

0.04 [− 0.42,0.50]

0.00 [− 0.48,0.47]

10.55

 < .001***

0.60

.552

 Max. Anxiety

58.68 (25.62)

41.58 (29.30)

24.19 (21.37)

− 0.24 [− 0.69,0.21]

− 0.67 [− 1.15,− 0.18]

61.22 (25.67)

45.28 (26.59)

28.16 (31.75)

− 0.29 [− 0.75,0.17]

− 0.47 [− 0.94,− 0.01]

0.00 [− 0.45,0.46]

0.21 [− 0.27,0.68]

11.78

 < .001***

0.31

.731

  1. Within effect sizes (Cohen’s d) for both TMS groups and between effect sizes (Cohen’s d) with 95% confidence interval, F-statistic for linear mixed models or generalized linear mixed models, * p < .050, *** p < .001, marginal R2 for fixed effects.
  2. TMS, transcranial magnetic stimulation; M, Mean; SD, Standard deviation; ES, Effect sizes; BL, Baseline; Post, Post-assessment; FU, Follow-up; AQ, Acrophobia Questionnaire; ATHQ, Attitudes Towards Heights Questionnaire; ADS-K, German short form of the Center for Epidemiological Studies Depression Scale; ASI-3, Anxiety Sensitivity Index-3; BAT, Behavioral Approach Task; VR, Virtual Reality; STAI, State-Trait Anxiety Inventory.