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Table 2 Specifications and data of articles entered for systematic review and meta-analysis

From: Prevalence of depression and anxiety in patients with Tourette syndrome; 1997 to 2022: a systematic review and meta-analysis

First author, year, (reference)

Country

Sample size (n)

Age (year)

Diagnostic tool

Prevalence (%)

Population

Total

Male

Female

Depression

Anxiety

Depression

Anxiety

BSc, 1998 [16]

UK

30

17

13

9.0

BCDI

-

29.0

-

Children

Robertson, 2006 [17]

UK

918

-

-

9.0

DSM-IV-TR

-

13.0

-

Children

Berthier, 1998 [18]

Spain

30

13

17

31.5 ± 11.0

HDRS

TBSA

53.0

73.0

Adult

Robertson, 1997 [19]

UK

39

31

8

26.2 (11–55)

BDI

Spielberger

12.3

44.6

Adult

Gharatya, 2014 [20]

UK

524

-

-

26.9

BDI

Spielberger

75.0

80.0

Adult

Whitney, 2019 [21]

USA

1428

-

-

11.5

BDI

Spielberger

15.3

37.9

Children and Adolescents

Robertson, 2015 [22]

UK

578

422

156

25.4 ± 14.3

DSM

DSM

49.0

43.0

Adult

Rizzo, 2017 [23]

Italy

98

81

17

12.2 ± 0.7

CDI

MASC

66.7

44.8

Children and Adolescents

Robertson, 2002 [24]

UK

57

45

12

10.7 ± 3.0

DSM-III-R

-

8.7

-

Children and Adolescents

Baglioni, 2014 [25]

Italy

55

40

15

17.6

DSM-IV-TR

DSM-IV-TR

27.44

31.4

Children and Adolescents

Solís-García, 2021 [26]

Spain

22

19

3

11.0

DSM-5

DSM-5

50.0

72.7

Children and Adolescents

Wodrich, 1997 [27]

USA

33

25

8

9.4 ± 2.3

DSM-III-R

DSM-III-R

73.0

55.0

Children and Adolescents