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Table 2 Basic characteristics and quality evaluation of the included literature

From: Prevalence and factors of urinary incontinence among postpartum: systematic review and meta-analysis

Author

Years

Countries

Type of research

follow-up time (mouth)

Types of UI

Sample size (Cases)

Number of urinary incontinences (Cases)

Incidence of urinary incontinence (%)

Influencing factorsa

Quality evaluation

Yang X [20]

2004

China

Cross-sectional studies

12

ALL

548

167

30.47

1、4

AHRQ score = 5

Yan MQ [21]

2016

China

Cross-sectional studies

/

ALL

237

103

43.46

1、2、3、9

AHRQ score = 6

Wu LY [22]

2015

China

Cross-sectional studies

1.5–2

SUI

94

19

20.21

1、6、9、10

AHRQ score = 7

Xiong YY [23]

2021

China

Cross-sectional studies

1.5–2

SUI

188

83

44.15

1、7

AHRQ score = 7

Wen L [24]

2014

China

Cross-sectional studies

6

ALL

2426

154

6.35

1、6、8、11

AHRQ score = 7

Leroy, LD [25]

2016

Brazil

Cross-sectional studies

/

ALL

344

77

22.38

6

AHRQ score = 7

Wang SJ [26]

2022

China

Cross-sectional studies

/

SUI

449

65

14.48

1、4、5

AHRQ score = 8

Di HY [27]

2021

China

Cross-sectional studies

/

SUI

258

39

15.12

2、4、6、11

AHRQ score = 8

Huang XF [28]

2016

China

Cross-sectional studies

1.5–2

ALL

1340

345

25.75

1、6

AHRQ score = 8

Cheng H [29]

2016

China

Cross-sectional studies

1.5–2

SUI

912

360

39.47

1

AHRQ score = 8

Yu J [30]

2022

China

Cross-sectional studies

/

SUI

1600

336

21.00

1、2、4、7、12

AHRQ score = 8

He H [31]

2016

China

Case–control study

1.5

SUI

200

100

/

1、4、6、8

NOS score = 6

Guo Zl [32]

2018

China

Cohort Studies

2

SUI

114

12

10.53

1、6、9、10

NOS score = 6

Wang Q [8]

2019

China

Cross-sectional studies

1.5–3

SUI

1027

303

29.50

1、2、3、7

AHRQ score = 8

Xiang JC [33]

2020

China

Cross-sectional studies

1.5–3.5

SUI

684

245

35.82

1、4、12

AHRQ score = 8

Wang D [34]

2018

China

Cross-sectional studies

1–1.5

SUI

90

18

20.00

1、6、9、10

AHRQ score = 8

Gao JJ [35]

2021

China

Cross-sectional studies

/

SUI

612

196

32.03

1、7

AHRQ score = 8

Liu J [36]

2015

China

Cross-sectional studies

/

SUI

79

41

51.90

3、4

AHRQ score = 8

Zeng JH [37]

2017

China

Cross-sectional studies

1.5–2.5

SUI

2163

836

38.65

2、3

AHRQ score = 8

Svare J [38]

2014

Denmark

Cross-sectional studies

12

ALL

745

172

23.09

6、9

AHRQ score = 8

Chen Q [39]

2013

China

Cross-sectional studies

1.5–2

SUI

82

13

15.85

1、4、6

AHRQ score = 8

Cheng, H [40]

2022

China

Cross-sectional studies

1.5

SUI

360

90

25.00

1、3

AHRQ score = 8

Chang, S.D [41]

2023

China

Cross-sectional studies

12

SUI

303

50

16.50

2、9

AHRQ score = 8

Xiong YY [42]

2022

China

Cross-sectional studies

/

SUI

500

199

39.80

1、3

AHRQ score = 9

Wan L [43]

2021

China

Case–control study

1.5

SUI

142

70

49.30

1、4、7

NOS score = 6

Wang XY [44]

2019

China

Cross-sectional studies

1.5–2

SUI

141

81

57.45

4、9

AHRQ score = 9

Zhang YY [45]

2021

China

Cross-sectional studies

1.5–2

SUI

811

71

8.75

1、2、5、9、12

AHRQ score = 9

Yang XE [46]

2020

China

Cross-sectional studies

1.5–2

SUI

475

55

11.58

1、3、5、7、8

AHRQ score = 9

Zhao X [47]

2019

China

Cross-sectional studies

1.5–2

SUI

940

92

9.79

1、3、4、7、8、9

AHRQ score = 9

Liang Y [48]

2020

China

Cross-sectional studies

1.5–2

ALL

717

120

16.74

1、2

AHRQ score = 9

Shi W [49]

2019

China

Cross-sectional studies

1.5

ALL

9550

1483

15.53

2、3、4、6、7、9、11

AHRQ score = 9

Zhong, R [50]

2022

China

Cohort Studies

12

SUI

172

52

30.23

2、6

NOS score = 7

  1. aInfluencing factors: 1. mode of delivery; 2. age; 3. multiparity (number of deliveries ≥ 2); 4. neonatal weight; 5. perineal dystonia; 6.antecedents of urological incontinence- related pathology; 7. maternal pre- conception BMI; 8. postpartum functional training of the pelvic floor muscles; 9. perineal laceration; 10. instrumental parturition; 11.historical pelvic surgical procedures; 12. protracted second stage of labor