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Table 1 Basic characteristics

From: Association between sleep quality and dry eye disease: a literature review and meta-analysis

Author

Years

Country

Study type

Data collection period

DE

Control subjects

Female Proportion

Sleep-related judgment criteria

Type

Number of participants

Age

Female Proportion

Number of participants

Age

Zheng

2022

China

Cohort

2013–2020

DE

128,966

> 18

35.01%

128,966

> 18

64.99%

ICD-10: G47

Gudbjörnsson

1993

Sweden

CS

-

pSS

40

53 ± 12

95%

60

53

100%

Uppsala SleepInventory

Usmani

2012

Australia

CC

-

pSS

28

58.7 ± 1.9

100%

18

55.8 ± 3.4

100%

ESS, Polysomnography

Ayaki

2016

Japan

CS

2014–2016

DE

106

53.2 ± 10.7*

100%

107

48.3 ± 11.4

100%

PSQI

Kawashima

2016

Japan

CS

2011

DE

249

42.4 ± 8.1

40.16%

134

42.7 ± 9.0

23.13%

PSQI

Lee

2015

South Korea

CS

2010–2012

DE

2835

> 20

72.77%

13,043

> 20

52.72%

self-report questionnaire

Galor

2018

United States

CS

2013–2016

DE

153

62.36 ± 9.35

0.8%

34

63 ± 11

6%

ISI

Yu

2019

China

Cohort

2016–2017

DE

1126

53.53 ± 14.05

59.15%

1704

48.8 ± 13.5

53.3%

CPSQI

Nithish Raj

2020

India

CC

2022

DE

75

20–50

-

75

20–50

-

self-report questionnaire

Magno

2021

The Netherlands

Cohort

2006–2013

DE

6414

19–94

77.72%

65,347

19–94

57.57%

PSQI

An

2022

South Korea

CS

2010–2012

DE

2940

≥ 20

72.89%

13,531

≥ 20

54.62%

self-report questionnaire

Park

2021

South Korea

CS

2016–2018

DE

602

≥ 40

79.07%

1904

≥ 40

59.98%

-

Takahashi

2020

Japan

CS

2016–2016

DE

890

44.0 ± 13.8

59.66%

1110

45.2 ± 13.9

42.25%

self-report questionnaire

Lim

2019

Singapore

CS

2011–2015

DE

265

64.31 ± 10.09

47.17%

3038

63.24 ± 9.64

53%

ISI ESS

Wu

2019

China

CC

-

DE

106

45.52 ± 12.8

80.2%

50

43.1 ± 12.32

76%

PSQI

Han

2019

South Korea

Cohort

2022 − 2015

DE

7429

> 18

65.49%

36,937

> 18

53.08%

-

van Oers

2010

The Netherlands

Cohort

-

pSS

29

53.3 ± 13.8

100%

52

51.2 ± 12.1

100%

15-itemDutch questionnaire on sleep quality

Hackett

2012

UK

Cohort

2010

pSS

69

60 ± 13

93%

69

62 ± 11

93%

ESS

Cho

2015

South Korea

CS

2014–2015

pSS

139

45.22 ± 11

69.8%

363

41.76 ± 11.55

60.9%

PSQI ESS

Priori

2015

Italy

CS

-

pSS

29

55.58 ± 11.95

100%

29

55.67 ± 12.07

100%

PSQI

Balkarli

2016

Turkey

CS

-

pSS

77

46 ± 10.5

90.9%

80

44.7 ± 9.3

87.5%

PSQI ESS IRLS

  1. *Errors in the author’s table
  2. DE, dry eye; CC, case control; CS, cross sectional; ICD-9-CM: International Classification of Diseases, 9th ed, Clinical Modification; ESS, Epworth Sleepiness Scale; PSQI, Pittsburgh Sleep Quality Index; CPSQI, Chinese Pittsburgh Sleep Quality Index; pSS, primary Sjogren’s syndrome; ISI, Insomnia Severity Index); IRLS, International Restless Leg Scale