Urogenital Tract Infection

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Table. 1.

Studies included in the meta-analysis

Category Study Year Design Methods Inclusion criteria No. of points Follow-up Definition of stone free No. of stone-free patients Stone-free rate Quality assessment
PCNL vs. mPCNL Giusti et al. [5] 2007 Retrospective PCNL Renal stone <2 cm 67 1 month Not stated 63 94.0 13
mPCNL 40 31 77.5
Cheng et al. [24] 2010 RCT PCNL Renal stone 115 1 week <4 mm 92 80.0 14
mPCNL 72 61 84.7
Knoll et al. [25] 2010 Prospective, case control PCNL
mPCNL
Solitary calculi (lower pole or pelvis) 25
25
1 day Not stated 23
24
92.0
96.0
13
Li et al. [26] 2010 Prospective, case control PCNL
mPCNL
Renal stone 72
93
Not stated Not stated 63
78
87.5
83.9
13
Mishra et al. [27] 2011 Prospective, case control PCNL
mPCNL
Renal stone 1 to 2 cm 26
26
1 month Radiologic absence of stone 26
25
100.0
96.2
14
Song et al. [28] 2011 RCT PCNL Renal stone ≥2 cm 30 3-5 days Not stated 22 73.3 17
mPCNL 30 27 90.0
Zhong et al. [29] 2011 RCT PCNL
mPCNL
Staghorn calculi 25
29
1 day Radiologic absence of stone 14
24
56.0
82.8
18
Xu et al. [30] 2014 Prospective, case control PCNL
mPCNL
Renal stone 34
37
Not stated Not stated 27
29
79.4
78.4
17
mPCNL vs. RIRS Resorlu et al. [41] 2012 Retrospective mPCNL
RIRS
1- to 3-cm, renal stone, children 106
95
1 month Not stated 100
88
94.3
92.6
14
Kirac et al. [42] 2013 Retrospective mPCNL
RIRS
<1.5-cm, lower pole renal stone 37
36
3 months No fragments 33
32
89.2
88.9
14
Pan et al. [43] 2013 Retrospective mPCNL
RIRS
2- to 3-cm, solitary renal calculi 59
56
1 month <2 mm 57
40
96.6
71.4
15
Sabnis et al. [44] 2012 Prospective, case control mPCNL
RIRS
1- to 2-cm renal stone 32
32
1 month No fragments 32
31
100.0
96.9
14
Kumar et al. [45] 2015 RCT mPCNL
RIRS
Lower calyceal radiolucent, 1 to 2 cm 41
43
3 months Not stated 39
37
95.1
86.0
17
Lee et al. [46] 2015 RCT mPCNL >1-cm renal stone 35 3 months <2 mm 30 85.7 19
RIRS 33 32 97.0
Zeng et al. [47] 2015 Retrospective mPCNL
RIRS
>2 cm, solitary renal stone 53
53
3 weeks <4 mm 38
23
71.7
43.4
14
PCNL vs. RIRS Hyams et al. [31] 2009 Retrospective PCNL 2- to 3-cm renal stone 20 3 months < 4 mm 20 100.0 13
RIRS 19 18 94.7
Akman et al. [32] 2012 Retrospective PCNL 2- to 4-cm renal stone 34 3 months Not stated 33 97.1 14
RIRS 34 32 94.1
Bozkurt et al. [33] 2011 Retrospective PCNL
RIRS
1.5- to 2-cm renal stone 42
37
After two procedures Not stated 41
35
97.6
94.6
13
Aboutaleb et al. [34] 2012 Retrospective PCNL
RIRS
1- to 2-cm lower caliceal stone 19
13
2 days <3 mm 17
11
89.5
84.6
15
Bryniarski et al. [35] 2012 RCT PCNL
RIRS
Renal pelvis stone ≥2 cm 32
32
3 weeks Not stated 30
24
93.8
75.0
14
Ozturk et al. [36] 2013 Retrospective PCNL
RIRS
1- to 2-cm lower renal stone 144
38
Not stated <3 mm 135
28
93.8
73.7
16
Resorlu et al. [37] 2013 Retrospective PCNL
RIRS
1- to 2-cm radiolucent renal calculi 140
46
After one procedure Not stated 128
40
91.4
87.0
17
Bas et al. [38] 2014 Retrospective PCNL
RIRS
1- to 2-cm renal pelvis stone 50
47
1 month Not stated 49
43
98.0
91.5
17
Jung et al. [39] 2015 Retrospective PCNL
RIRS
15- to 30-mm lower pole stone 44
44
1 month <3 mm 37
41
84.1
93.2
16
Karakoyunlu et al. [40] 2015 RCT PCNL
RIRS
Renal pelvis stone >2 cm 30
30
Final procedures Complete removal 26
20
86.7
66.7
17

PCNL: percutaneous nephrolithotomy, mPCNL: miniature percutaneous nephrolithotomy, RIRS: retrograde intrarenal surgery, RCR: randomized controlled trial.

Urogenit Tract Infect 2022;17:14-25 https://doi.org/10.14777/uti.2022.17.1.14
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