Table 1 Summary of RCTs studies included in Meta-analysis

Gu 2013 [25]

2010.9-2011.11

RCT

30

29

Mini-PCNL

Fragments < 4 mm at 3 mo on

NCCT

Fragments＜4 mm at 3 mo on NCCT

2a 

Sabnis 2013 [26]

India

2011.2-2012.8

RCT

35

35

Micro-PCNL

Fragments < 4 mm at 3 mo on

NCCT

2a

Kumar 2015 [27]

India

2012.1-2013.5

RCT

41

43

Mini-PCNL

Fragments < 4 mm at 3 mo on

NCCT

2a

Lee 2015 [28]

Korea

2014.6-2015.2

RCT

35

33

Mini-PCNL

Fragments < 2 mm at 3 mo on NCCT

2a

Demirbas 2016 [29]

Turkey

2015.3-2015.9

RCT

30

43

Ultra-mini PCNL

Fragments < 3 mm at 1 mo on NCCT

2a

Fayad 2017 [30]

Egypt

2012.7-2015.12

RCT

60

60

Mini-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Kandemir 2017 [31]

Turkey

2013.3-2015.12

RCT

30

30

Micro-PCNL

Fragments < 4 mm at 3 mo on

NCCT

2a

Zeng 2018 [32]

China

2015.8-2017.7

RCT

80

80

Super-Mini PCNL

NA

2a

Gucuk 2019 [33]

Turkey

2016.4-2017.5

RCT

30

30

Mini-PCNL

No fragments at 3 mo on low dose NCCT

2a

Jiang 2019 [17]

China

2013.1-2017.3

RCT

57

56

Micro-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Jin 2019 [18]

China

2017.5-2019.7

RCT

110

110

Mini-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Zhang 2019 [19]

China

2015.3-2017.3

RCT

60

60

Ultra-mini PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Yavuz 2020 [34]

Turkey

2017.1-2017.12

RCT

33

34

Ultra-mini PCNL + Micro-PCNL + Mini-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Coskun 2021 [35]

Turkey

2016.6-2016.12

RCT

25

25

Mini-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Jain 2021 [36]

India

2016.12-2018.10

RCT

40

40

Mini-PCNL

Fragments < 4 mm at 1 mo on NCCT

2a

Datta 2022 [20]

England

2015.5-2016.12

RCT

98

46

Ultra-mini PCNL

Fragments < 2 mm at 1 mo on low dose NCCT

2a

Liu 2022 [21]

China

2018.7-2020.7

RCT

58

57

Mini-PCNL

Fragments < 3 mm at 3 mo on NCCT

2a

Sebaey 2022 [37]

Egypt

2017.9-2019.9

RCT

35

35

Mini-PCNL

Fragments < 4 mm on NCCT

2a