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Table 1 Main characteristics of the studies included in the meta-analysis

From: Clinicopathological factors in bladder cancer for cancer-specific survival outcomes following radical cystectomy: a systematic review and meta-analysis

Author

Year

Country

Recruitment period

No. of patients

Age (years)

Gender (m/f)

Follow-up (months)

Survival analysis

Mayr et al. [12]

2018

Muti-centers

2004–2014

500

Median (IQR)

72(65–78)

401/99

Median (IQR)

35 (20–58)

Age, gender, LNM, LVI, STSM, CIS, ACT

Hodgson et al. [13]

2018

Japan

1999–2005

235

Mean (range)

70.1 (46–93)

167/68

Median (range)

16 (1–206)

LNM, LVI, STSM

Muppa et al. [14]

2017

USA

1980–2010

965

Mean ± SD

67 ± 10.1

761/204

Mean 127.2

gender, LNM, LVI, STSM, histology, ACT

Li et al. [15]

2017

China

2004–2015

1,676

Mean (range)

66.4 (24–92)

1,376/300

Median (range)

78 (4–138)

Age, gender, grade, LVI

Kang et al. [16]

2017

Korea

1999–2012

385

Mean (range)

66 (59–72)

333/52

NA

Age, grade, stage, LNM, LVI, STSM,CIS

Gorgel et al. [17]

2017

Turkey

2006–2016

149

Mean ± SD

61.6 ± 9.13

139/10

NA

Age, gender, grade, stage, LNM, LVI

Andera et al. [18]

2017

USA

1988–2003

448

Median (IQR)

65(60–71)

373/75

Median (IQR)

170.4(122.4–205.2)

Age, gender, LNM, LVI, histology, ACT

Crozier et al. [19]

2017

Australia

2005–2014

220

Mean (range)

69.5 (60.3–74.9)

177/43

NA

gender, STSM

Morizawa et al. [20]

2016

Japan

2002–2013

110

Median (IQR)

72(65–76)

86/24

Median (IQR)

37.5 (11–65)

LNM, stage,

Liu et al. [21]

2016

China

2000–2013

296

Mean ± SD

61.7 ± 11.1

250/46

Median (IQR)

72.0 (49.0–121.0)

Age, gender, grade, LNM, ACT

Bostrom et al. [22]

2016

Muti-centers

1986–2008

581

NA

457/124

Median

68.4

Age, gender, grade, stage, LNM, ACT

Alimi et al. [23]

2016

France

1992–2012

331

Mean ± SD

65.7 ± 11.4

272/59

Median (range)

52.6 (6–267)

Age, LNM, LVI, ACT

Soave et al. [24]

2015

Germany

1996–2011

517

Median (IQR)

67(59–73)

400/117

Median (IQR)

45(21–83)

Age, gender, grade, LNM, LVI, STSM, CIS, ACT

Raza et al. [25]

2015

Muti-centers

2003–2015

702

Median (IQR)

69(61–76)

569/133

Median (IQR)

67(8–84)

Age, gender, stage, LNM, STSM, histology, ACT

Ozcan et al. [26]

2015

Turkey

1990–2013

286

Mean ± SD

60.7 ± 19.42

256/30

Median (range)

8 (0–144)

Age, gender, grade, stage, LNM, LVI, STSM, histology, CIS

Kwon et al. [27]

2015

Korea

1990–2012

746

Mean ± SD

62.4 ± 9.7

664/82

Median (range)

64.3 (1–231.4)

grade, stage, LNM, LVI, STSM, CIS

Kanatani et al. [8]

2015

Japan

1990–2012

61

Median (IQR)

64(59–75)

55/6

Median (IQR)

29(17–59)

Age, gender, grade, stage, LNM, LVI, STSM, ACT

Ferro et al. [28]

2015

Italy

2008–2013

1,037

Median (range)

70 (42–88)

804/233

Median (range)

22 (3–60)

Age, grade, CIS,ACT

Booth et al. [29]

2015

Canada

1994–2008

2,944

Median

69

2,107/695

NA

gender, stage, LNM, LVI, STSM, ACT

Albisinni et al. [30]

2015

Belgium

2000–2013

503

Median (IQR)

68 (62–74)

414/89

Median (IQR)

50(19–90)

LNM, STSM

Kawai et al. [31]

2014

Japan

1990–2005

84

Median (range)

65 (39–81)

70/14

NA

LNM, LVI

Kaushik et al. [32]

2014

USA

1980–2005

128

Median (IQR)

72 (64–74)

91/37

Median (IQR)

126(116.4–145.2)

gender, LNM, STSM, ACT

Brunocilla et al. [33]

2013

Italy

1995–2011

282

Median (IQR)

70 (63–75)

234/48

Mean (range)

59.2 (1–171)

Age, gender, grade, LNM, LVI, histology, ACT

Aziz et al. [3]

2013

Germany

2004–2010

150

Median (IQR)

70 (64–76)

121/29

Median (IQR)

46 (31–62)

Age, gender, grade, stage, LNM, LVI, CIS,ACT

Otto et al. [34]

2012

Germany

1989–2008

2,483

Median (IQR)

66.4(60.1–72.5)

1,976/507

Median (IQR)

42(21–79)

Age, grade, stage, LNM, LVI, CIS, ACT

Gondo et al. [35]

2012

Japan

2008–2009

194

Mean (range)

68(38–85)

162/32

Mean (range)

26.8 (3.1–131.8)

gender, stage, LVI, STSM

Yafi et al. [36]

2011

Muti-centers

1998–2008

2,287

Median (range)

68(26–90)

1,803/484

Median (IQR)

29.3(9–50)

Age, gender, grade, stage, LNM, STSM, histology, ACT

Faba et al. [37]

2011

Spain

1978–2002

141

Median (range)

63 (47–80)

116/25

Mean (range)

42.5 (1.3–246)

LNM, LVI, CIS, ACT

Manoharan et al. [5]

2010

USA

1992–2008

357

NA

185/72

NA

LNM, LVI

Canter et al. [6]

2009

USA

1988–2006

406

Mean ± SD

65.5 ± 10

NA

Mean

46.4

Age, LNM

Muramaki et al. [38]

2008

Japan

1995–2004

51

Median (range)

65 (46–74)

43/8

Median (range)

26.5 (6–102)

Age, gender, grade, LNM, LVI, CIS

Turkolmez et al. [39]

2007

Turkey

1990–2005

225

NA

NA

NA

Age, gender, LNM,,LVI

Karam et al. [40]

2007

USA

1987–2002

222

Median (IQR)

66.2(58–74/7)

177/45

Median (IQR)

36.9(13.3–79)

grade, LNM, LVI, CIS, ACT

  1. m/f: male/femal; SD: standard deviation; NA, data not applicable; LNM: lymph node metastasis, LVI: lymphovascular invasion, STSM: soft tissue surgical margin, CIS: carcinoma in situ, ACT: adjuvant chemotherapy