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Table 1 Main characteristics of all studies included in this analysis

From: Risk factors for kidney stone disease recurrence: a comprehensive meta-analysis

Study

Nation

Research type

Time data collected

Sampling frame

Follow-up time

Stone types

Race

Age

Sample size

Man (%)

Recurrence rate (%)

Ratio

Song et al. [16]

USA

Retrospective

2007–2013

SC

Median 64 m

NA

Mixed

Mean 57.6

14,854

93.81

57.60

HR

Ito et al. [17]

Japan

Retrospective

2012–2019

SC

Median 31 m

Mixed

Asian

Mean 60.0

664

63.00

20.33

HR

Iremashvili et al. [18]

USA

Retrospective

2009–2017

SC

Mean 4.3 y

NA

Mixed

Mean 54.9

1,970

51.62

20.96

HR

Samson et al. [19]

USA

Retrospective

2007–2017

SC

3 y

NA

Mixed

Mean 46.0

434,055

57.69

14.50

OR

Prasanchaimontri and Monga [20]

USA

Retrospective

2002–2012

SC

Median 10 y

Mixed

Mixed

NA

1,617

62.71

23.07

OR

Nevo et al. [21]

Israel

Retrospective

2010–2015

SC

Median 38 m

Mixed

Caucasian

Median 53

457

69.20

24.29

HR

Islam et al. [22]

USA

Retrospective

2008–2018

SC

10 y

NA

Mixed

Mean 57.6

69

44.93

23.19

OR

Ingvarsdottir et al. [23]

Iceland

Retrospective

1985–2013

SC

Median 12 y

Mixed

Caucasian

Median 15

190

41.05

35.79

HR

Castiglione et al. [24]

USA

Prospective

2009

SC

5 y

NA

Mixed

Mean 48.2

375

54.80

21.07

OR

Vaughan et al. [25]

USA

Retrospective

1984–2012

SC

NA

NA

Mixed

Mean 43.9

3,364

60.79

26.22

HR

Kang et al. [26]

Korea

Retrospective

1994–2017

SC

15 years

NA

Asian

Mean 49.1

680

60.15

41.18

HR

Iremashvili et al. [27]

USA

Retrospective

2009–2016

SC

Median 4.8 y

NA

Mixed

Mean 53.6

498

52.21

17.67

HR

Iremashvili et al. [28]

USA

Retrospective

2009–2017

SC

Mean 4.1 y

NA

Mixed

Mean 54.8

1,496

52.07

24.53

HR

Ruysscher et al. [29]

Belgium

Retrospective

1998–2016

SC

NA

NA

Caucasian

Median 3.9

97

73.20

34.02

OR

Costa et al. [30]

USA

Prospective

2009–2013

SC

5 y

Mixed

Mixed

Mean 49.6

175

53.14

66.86

OR

Yamashita et al. [31]

Japan

Retrospective

2011–2015

SC

NA

NA

Asian

Median 59

300

69.33

49.33

OR

Wang et al. [32]

China

Retrospective

2015

SC

NA

COS

Asian

mean 50.6

72

75.00

50.00

OR

Ozgor et al. [33]

Turkey

Retrospective

2011–2013

SC

Mean 33.3 m

Mixed

Caucasian

Mean 47.33

202

53.11

22.28

OR

Ferraro et al. [34]

Italy

Prospective

1993–1994

SC

5 y

COS

Caucasian

Mean 45.3

103

NA

33.98

HR

Tasian et al. [6]

USA

Retrospective

2008–2014

SC

3 y

Mixed

Caucasian

Median 14.8

285

45.61

23.86

HR

Kang et al. [35]

Korea

Retrospective

1994–2015

SC

NA

Mixed

Asian

Mean 44.9

624

63.58

37.66

HR

Shih et al. [36]

China

Retrospective

2000–2002

SC

Mean 8.9 y

NA

Asian

Mean 27.48

1,474

0.00

16.62

HR

Guerra et al. [37]

Italian

Retrospective

1986–2013

SC

NA

CS

Caucasian

NA

2,080

61.01

6.11

OR

El-Assmy et al. [38]

Egypt

Retrospective

1998–2011

SC

10 y

Mixed

Caucasian

Mean 41.3

784

73.09

25.26

HR

Bos et al. [39]

Canada

Prospective

2009–2010

SC

5 y

NA

Caucasian

Mean 54.5

110

63.64

25.45

HR

Liu et al. [40]

China

Retrospective

1999–2010

SC

NA

NA

Asian

Mean 52.8

1,259

85.94

13.26

HR

Rule et al. [41]

USA

Retrospective

1984–2003

SC

NA

Mixed

Mixed

Mean 41.7

2,239

62.48

31.58

HR

Kang et al. [42]

Korea

Retrospective

1994–2010

SC

Median 35 m

Mixed

Asian

NA

240

NA

23.33

HR

Kang et al. [43]

Korea

Retrospective

2007–2011

SC

NA

Mixed

Asian

Mean 60.4

342

48.25

16.96

HR

Kruck et al. [44]

Germany

Retrospective

2001–2007

SC

NA

Mixed

Caucasian

Mean 51.5

482

66.00

NA

OR

Kohjimoto et al. [45]

Japan

Retrospective

2005

MC

7 y

Mixed

Asian

Mean 52.5

11,555

73.86

57.14

OR

Sorensen et al. [46]

USA

Retrospective

2001–2010

SC

NA

NA

Caucasian

Mean 55

40

32.50

22.50

OR

Pieras et al. [47]

Spain

Retrospective

2003–2007

SC

Mean 60 m

Mixed

Caucasian

Mean 44

248

69.76

48.79

HR

Ha et al. [48]

Korea

Retrospective

1994–2008

SC

NA

CS

Asian

NA

247

NA

39.68

HR

DeFoor et al. [49]

USA

Retrospective

1999–2006

SC

NA

Mixed

Mixed

Mean 12.7

139

52.52

36.69

OR

Kim et al. [50]

Korea

Retrospective

1994–2007

SC

Median 49 m

CS

Asian

mean 44.3

266

65.20

41.73

HR

Lee et al. [51]

Korea

Retrospective

1996–2006

SC

Median 54 m

Mixed

Asian

Mean 42.9

163

66.76

36.20

HR

Krambeck et al. [52]

USA

Retrospective

1983–1984

SC

 > 5 y

Mixed

Mixed

NA

375

64.80

49.60

OR

Unal et al. [53]

Turkey

Retrospective

NA

SC

NA

NA

Caucasian

Mean 35

173

50.87

28.32

HR

Daudon et al. [54]

France

Retrospective

1984–2000

SC

3 y

COS

Caucasian

Mean 30.4

181

70.17

39.78

HR

Abe et al. [55]

Japan

Retrospective

1987–2000

SC

5 y

Mixed

Asian

Mean 45.7

11,39

72.10

28.62

OR

Parks et al. [56]

USA

Prospective

1970–2003

SC

30 y

ICN

Mixed

Mean 33.0

1,201

70.86

NA

HR

Mardis et al. [57]

USA

Prospective

1995–1996

SC

7 y

Mixed

Mixed

NA

203

70.44

29.06

HR

Afshar et al. [58]

Canada

Retrospective

1990–2002

SC

Mean 46 m

Mixed

Caucasian

Mean 7

83

46.99

31.33

OR

Siener et al. [59]

Germany

Prospective

NA

SC

2 y

COS

Caucasian

Mean 51.7

134

67.16

42.54

OR

Chen et al. [60]

USA

Retrospective

1973–1996

SC

5 y

NA

Mixed

Mean 37

62

87.10

30.65

RR

Borghi et al. [61]

Italy

Prospective

1993–1994

SC

5 y

COS

Caucasian

Mean 45.1

120

100.00

43.33

RR

Jendle-Bengten et al. [62]

Sweden

Retrospective

NA

SC

Mean 5.6 y

COS

Caucasian

Mean 50

52

73.08

51.92

HR

Trinchieri et al. [63]

Italy

Prospective

1980–1990

SC

Mean 19.3 y

Mixed

Caucasian

Mean 44.3

195

50.26

26.67

HR

Ettinger et al. [64]

USA

Prospective

NA

SC

3 y

COS

Mixed

Mean 48.0

64

78.13

39.06

RR

Hiatt et al. [65]

USA

Prospective

1984–1985

MC

4.5 y

COS

Mixed

Mean 43.0

99

78.79

14.14

HR

Gambaro et al. [66]

Italy

Prospective

1984–1986

SC

9 y

NA

Caucasian

Median 34

190

65.79

57.89

OR

Streem [67]

USA

Prospective

1983

SC

Mean 41.7 m

MAPS

Mixed

Mean 53.2

44

20.45

27.27

OR

  1. SC, single center; MC, multi-center; NA, not available; OR, odds risk; RR, relative risk; HR, hazard risk; CS, calcium stone; COS, calcium oxalate stone; MAPS, magnesium-ammonium calcium phosphate stone; y, year; m, month