Single- versus Multiple-Tract Percutaneous Nephrolithotomy in the Surgical Management of Staghorn Stones or Complex Caliceal Calculi: A Systematic Review and Meta-analysis
Table 1
Summary of comparative studies included in meta-analysis.
Study
Country
Study period
Study design
LE
Intervention
Sample size
Study quality
Trial
Control
Trial
Control
Blum 2018
America
Not mentioned
Prospective study
2b
STPCNL
MTPCNL
57
19
8#
Nahas 2012
Egypt
1999-2009
Not mentioned
2b
STPCNL
MTPCNL
156
86
7#
Mishra 2012
India
2009-2010
Retrospective study
2a
STPCNL
MTPCNL
41
53
7#
Akman 2010
Turkey
2002-2009
Retrospective study
2a
STPCNL
MTPCNL
244
169
7#
Hegarty 2006
America
2004-2005
Retrospective study
2a
STPCNL
MTPCNL
20
20
7#
Desai 2004
India
1991-2002
Retrospective study
2b
STPCNL
MTPCNL
22
34
6#
Cho 2012
Korea
2003-2008
Not mentioned
2b
STPCNL
MTPCNL
79
30
7#
Ozden 2008
Turkey
2000–2005
Retrospective study
2b
STPCNL
MTPCNL
32
21
7#
Desai 2008
India
1991-2007
Retrospective study
2b
STPCNL
MTPCNL
225
500
8#
Manohar 2006
India
1991-2004
Not mentioned
2a
STPCNL
MTPCNL
14
22
7#
LE = level of evidence; STPCNL = single-tract percutaneous nephrolithotomy; MTPCNL = multiple-tract percutaneous nephrolithotomy. #Using Newcastle-Ottawa Scale (score from 0 to 9).
