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Table 5 Reduction in dental anxiety in relation to severe dental anxiety and comorbid symptoms

From: Changes in symptoms of anxiety, depression, and PTSD in an RCT-study of dentist-administered treatment of dental anxiety

D-CBT

T0

T1

T2

Difference T2-T0

p

Median (Min, Max)

Median (Min,Max)

Median (Min,Max)

Median (Min,Max)

Wilcoxon signed rank

Variables

 All

n = 48

22.0

16.0

15.5

5.0

p < 0.001

  

(12,25)

(6,24)

(5,25)

(-1,16)

 

 Severe dental

MDAS ≥ 19, n = 42

22.0

17.0

16.5

5.0

 

 anxiety

 

(19,25)

(7,24)

(5,25)

(-1,16)

p < 0.001

n = 48

MDAS < 19, n = 6

15.0

12.0

7.0

6.0

 
  

(12,18)

(6,16)

(5,16)

(2,10)

p = 0.030

 PTSD-

PCL-S ≥ 35, n = 20

22.0

18.0

17.5

5.0

 

 symptoms

 

(15,24)

(11,24)

(5,23)

(0,15)

p = 0.001

n = 48

PCL-S < 35, n = 28

21.0

14.5

14.0

5.0

 
  

(12,25)

(6,23)

(5,25)

(0,15)

p < 0.001

 Anxiety-

HADS-A ≥ 8, n = 21

22.0

18.0

16.0

6.0

 

 symptoms

 

(13,25)

(6,24)

(5,23)

(0,15)

p = 0.001

n = 48

HADS-A < 8, n = 27

22.0

15.0

15.0

5.0

 
  

(12,25)

(6,23)

(5,25)

(-1,16)

p < 0.001

 Depression-

HADS-D ≥ 8, n = 12

22.0

18.0

18.5

4.5

 

 symptoms

 

(19,24)

(9,22)

(8,22)

(0,13)

p = 0.010

n = 48

HADS-D < 8, n = 36

22.0

15.5

14.5

5.0

 
  

(12,25)

(6,24)

(5,25)

(-1,16)

p < 0.001

Four Habits/ Midazolam

T0

T1

T2

Difference T2-T0

P

Median

Median

Median

Median

Wilcoxon signed

(Min,Max)

(Min,Max)

(Min,Max)

(Min,Max)

rank

Variables

 All

 

21.0

16.0

15.5

5.5

p < 0.001

  

(14,25)

(5,25)

(5,25)

(-3,15)

 

 Initial

MDAS ≥ 19, n = 40

21.5

16.0

15.5

5.5

p < 0.001

 anxiety

 

(19,25)

(6,25)

(6,25)

(-3,15)

 

n = 48

MDAS < 19, n = 8

17.0

11.0

11.0

6.0

p = 0.030

  

(14,18)

(5,18)

(5,18)

(-1,9)

 

 PTSD-

PCL-S ≥ 35, n = 18

21.5

17.0

17.5

4.0

p = 0.002

 symptoms

 

(14,25)

(10,24)

(9,25)

(-2,12)

 

n = 48

PCL-s < 35, n = 30

20.5

14.5

14.0

8.0

p < 0.001

  

(14,25)

(5,25)

(5,25)

(-3,15)

 

 Anxiety-

HADS-A ≥ 8, n = 26

21.0

16.0

15.0

7.5

p < 0.001

 symptoms

 

(14,25)

(7,24)

(5,23)

(-1,12)

 

n = 48

HADS-A < 8, n = 22

20.0

15.5

15.5

4.5

p < 0.001

  

(15,25)

(5,25)

(6,25)

(-3,15)

 

 Depression-

HADS-D ≥ 8, n = 13

22.0

17.0

15.0

5.0

p = 0.003

 symptoms

 

(14,25)

(11,24)

(12,22)

(-1,11)

 

n = 48

HADS-D < 8, n = 35

21.0

16.0

14.0

8.0

p < 0.001

  

(14,25)

(5,25)

(5,25)

(-3,15)

 
  1. An Intention-To-Treat analysis on outcome of treatment in relation to severity of dental anxiety and comorbid symptoms before treatment. The median values were estimated at T0 (pre-treatment), T1 (post-treatment) and T2 (one-year post-treatment). D-CBT Dentist-administered cognitive behavioural therapy, FHM The four habits model/midazolam, HADS-A hospital anxiety and depression scale, anxiety subscale, HADS-D Hospital anxiety and depression scale, depression subscale, PCL-S The PTSD-checklist for DSM-IV, specific version, PTSD Post-traumatic stress disorder
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BMC Oral Health

ISSN: 1472-6831

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