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Table 2 Surgical and clinicopathological characteristics of included studies

From: Oncological outcomes of laparoscopic versus open nephroureterectomy for the treatment of upper tract urothelial carcinoma: an updated meta-analysis

Study (year)

LRNU route

Management of distal ureter #

Lymphadenectomy (%) (ORNU/LRNU)

Pathological stage

≥ pT3 (%) (ORNU/LRNU)

Pathological grade (%) (ORNU/LRNU)

Positive nodal status (%) (ORNU/LRNU)

Concomitant CIS (%) (ORNU/LRNU)

Present LVI (%) (ORNU/LRNU)

Positive surgical margins (%) (ORNU/LRNU)

NAC (%) (ORNU/LRNU)

AC (%) (ORNU/LRNU)

Ariane et al. (2012) [11]

TP

Mixed

Regional

Selectively performed

pT3: 33.3/35.3

pT4: 6.3/1.3

G1: 8.5/7.3

G2: 36.2/27.3

G3: 55.3/65.3

10.2/4.7*

NR

19.2/18.7

NR

Excluded

NR

Azawi et al. (2020) [12]

NR

NR

Extent not described

Whole cohort: 5%

pT3: 14.6/11.9

pT4: 5.6/1.7

Low grade: 46.4/24.8*

High grade: 53.6/75.2

Whole cohort: 1.4%

NR

NR

NR

NR

NR

Capitanio et al. (2009) [13]

NR

Mixed

No bladder cuff

Regional

42.4/24.4*

pT3: 31.3/21.9*

pT4: 3.9/1.5

Low grade: 40.3/38.1

High grade: 59.7/61.9

7.2/2.2*

25.9/24.1

21.3/14.8*

NR

Excluded

Excluded

Fairey et al. (2013) [14]

NR

Mixed

Regional

34/25*

pT3: 25/26

pT4: 6/5

Low grade: 31/36

High grade: 69/64

10/4*

10/25

NR

11/10

NR

9/13

Favaretto et al. (2010) [15]

TP, RP

Mixed

Mainly regional

81/70

pT3: 32/32

Low grade: 12/9

High grade: 86/87

16/13

29/28

NR

NR

NR

NR

Fradet et al. (2014) [16]

NR

Mixed

Extent not described

Selectively performed

NR

G1: 29.2/37

G2–G3: 70.8/63.0

11.2/4.3*

NR

NR

NR

Excluded

7.2/12.5*

Kido et al. (2018) [17]

RP

Open extravesical

Regional

Selectively performed

pT3: 40/41

pT4: 4/0

Low grade: 6/1

High grade: 94/99

7.7/4

NR

39/23

4/0*

20/41*

3.3/0

Kim SH et al.(2016) [18]

TP

Open extravesical

Regional

Selectively performed

pT3/T4: 41.3/34

Low grade: 30/35.1

High grade: 70/64.9

3.7/0

13.7/13

19.2/19

4.1/3

Excluded

24/20

Kim HS et al. (2019) [19]

TP

Open extravesical

Regional

44.5/45.6

pT3: 40.1/38.2

pT4: 1.4/1.1

Low grade: 27.9/31.8

High grade: 69.8/65.5

4.6/4.9

15.7/14.1

20.5/19.9

NR

Excluded

20.1/20.4

Kitamura et al. (2014) [20]

TP, RP

Mixed

Extent not described

Selectively performed

pT3: 47/43

G1: 3/3

G2: 41/50

G3: 56/47.3

NR

NR

38/22

NR

NR

NR

Koda et al. (2007) [21]

RP

Open extravesical

Not performed

pT3: 25.9/35.4

pT4: 0/3.8

G1: 11.1/12.7

G2: 59.3/41.8

G3: 29.6/45.6

NR

NR

NR

NR

NR

14.8/12.7

Lee et al. (2019) [22]

TP

Mixed

Extent not described

Selectively performed

pT3: 39.1/33.6

pT4: 10.6/1.5

G1: 0.6/0.7

G2: 42.2/54

G3: 57.1/45.3

36.6/19.7*

NR

41.6/25.5*

NR

NR

NR

Lenis et al. (2018) [23]

NR

NR

Extent not described

35.1/27.4

pT3: 35.9/34.9

pT4: 7/4.1

Low grade: 23.4/25.6

High grade: 76.6/74.4

12/6.1*

NR

NR

12.7/7.4*

3.2/1.2

15/12.1

Moschini et al. (2020) [24]

NR

NR

Regional

Selectively performed

pT3–pT4: 35/34

Low grade: 53/60*

High grade: 47/40

15/6*

21/18

32/27

NR

NR

16/14

Shigeta et al. (2019) [25]

TP, RP

Open extravesical

Regional

Selectively performed

pT3: 100/100

Low grade: 31.9/41.7

High grade: 68.1/58.3

0/0

NR

56.9/48.6

NR

Excluded

38.9/29.2

Simone et al. (2009) [5]

TP

Laparoscopic extravesical

Not performed

pT3: 32.5/30

Low grade: 37.5/42.5

High grade: 62.5/57.5

0/0

NR

NR

NR

NR

In patients with metastases

Taweemonkongsap et al. (2008) [26]

RP

Open extravesical

Extent not described

31/64.5

pT3: 13.8/12.9

pT4: 0/3.2

Low grade: 34.5/58.1

High grade: 65.5/41.9

10.3/3.2

NR

NR

NR

NR

10.3/3.2

Walton et al. (2011) [27]

TP

NR

Regional

23.3/30

pT3: 27.9/27.1

pT4: 5.7/5.7

G1: 12.4/15.7*

G2: 31.2/7.1

G3: 56.3/77.1

6.8/2.9*

11.1/17.1

18.8/22.9

NR

Excluded

7.7/17.1*

  1. *Statistically significant difference
  2. #Mixed—open and/or laparoscopic extravesical and/or endoscopic
  3. Abbreviations: AC, adjuvant chemotherapy; CIS, carcinoma in situ; LRNU, laparoscopic nephroureterectomy; LVI, lymphovascular invasion; NAC, neoadjuvant chemotherapy; NR, not reported; ORNU, open nephroureterectomy; RP, retroperitoneal; TP, transperitoneal