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Table 2 – Risk of bias and quality assessment of included articles—NOS subcategories
Author
Technique
Case selection
Comparability
Outcome/exposure
NOS
aRepresentativeness
of exposed cohort
Selection of
nonexposed
cohort
Ascertainment
of exposure
Outcome of
interest not
present at
study start
Comparability
of control groups
on design or
analysis (study
controls for any
additional factor)
Comparability of
control groups on
design or analysis
(study controls for
any additional
factor)
Assessment
of outcome
Appropriate
follow-up
Adequacy of
follow-up
of cohorts
Nanni (2005)
[7]
GIBI vs HSI
–
–
–
[2_TD$DIFF]
–
[3_TD$DIFF]
1
–
[4_TD$DIFF]
1
–
–
[5_TD$DIFF]
2
Øyen (2006)
[35]COKT vs MIKT
–
1
–
–
–
–
–
–
1
2
Filocamo (2007)
[34]
HSI vs MLI
1
–
–
–
1
–
–
1
–
3
Mun (2007)
[18]
HSI vs MIVAKT
–
–
–
–
1
–
–
–
–
1
Park (2008)
[36]
HSI vs MSI
–
–
–
–
–
–
–
–
–
0
Brockschmidt (2012)
[19]COKT vs MAKT
–
–
1
–
1
1
–
–
–
3
Kacar (2013)
[37]
COKT vs MIKT
1
–
–
–
1
–
–
–
1
3
Brockschmidt (2014)
[20]COKT vs MAKT
–
–
1
–
1
–
–
1
–
3
Kishore (2014)
[9]
GIBI vs MFI
–
–
1
–
1
–
–
1
1
4
Kim (2016)
[21]
MIKT vs COKT
–
1
–
–
1
–
1
1
4
Modi (2013)
[13]GIBI vs LKT
–
1
–
–
1
–
–
1
–
3
Modi (2015)
[22]COKT vs LKT
–
1
–
–
1
–
–
1
–
3
Oberholzer (2013)
[14]GIBI vs RAKT
–
–
1
–
1
–
–
–
1
3
Menon (2014)
[15]
RAKT
–
–
1
–
1
–
–
–
1
3
Tsai (2014)
[16]
GIBI vs RAKT
–
–
–
–
1
–
1
–
1
2
Sood (2015)
[17]RAKT
–
–
1
–
1
–
–
–
–
2
Tugcu (2016)
[30]
RAKT
–
–
–
–
–
–
1
–
–
1
NA = not applicable; – = no point awarded; GIBI = Gibson incision; HSI = hockey-stick incision; MLI = midline incision; COKT = conventional open kidney transplantation; MIKT = minimally invasive kidney transplantation;
MIVAKT = minimally invasive video-assisted kidney transplantation; MSI = modified skin incision technique; MAKT = minimal-access kidney transplantation; MFI = modified Pfannenstiel incision; LKT = laparoscopic
kidney transplantation; RAKT = robotic-assisted kidney transplantation; NOS = Newcastle–Ottawa Quality Assessment Scale.
a
Study quality based on Newcastle–Ottawa Scale
[24] .E U R O P E A N U R O L O G Y 7 2 ( 2 0 1 7 ) 2 0 5 – 2 1 7
209