Single- versus Multiple-Tract Percutaneous Nephrolithotomy in the Surgical Management of Staghorn Stones or Complex Caliceal Calculi: A Systematic Review and Meta-analysis
Table 2
Study outcomes comparing STPCNL and MTPCNL.
Outcomes
No. of studies
Sample size
Heterogeneity (total)
MD or OR (95% CI)
value (total)
STPCNL
MTPCNL
Chi2
df
(%)
value
Initial SFR
3
543
699
4.84
2
59
0.09
0.80 (0.46, 1.38)
3-month SFR
2
364
252
5.10
2
61
0.08
1.22 (0.38, 3.92)
Auxiliary treatment
3
343
219
38.51
2
95
<0.00001
0.34 (0.03, 3.96)
Hemoglobin drop
4
493
307
0.68
3
0
0.88
-0.47 (-0.68, -0.25)
Blood transfusion
5
657
759
3.6
4
0
0.46
0.48 (0.34, 0.67)
Operation time
2
323
199
7.74
1
87
0.005
-42.78 (-85.49, 0.07)
Hospital stay
3
140
103
15.23
2
87
0.0005
-0.59 (-3.59, 2.41)
Postoperative fever
2
136
49
0.01
1
0
0.9
0.86 (0.27, 2.78)
Renal function
3
323
199
0.23
1
0
0.63
-0.02 (-0.06, 0.02)
Urinary leakage
4
402
252
1.45
3
0
0.69
0.60 (0.19, 1.87)
Urinary tract infection
3
99
73
0.02
1
0
0.89
0.85 (0.13, 5.45)
Complications
4
480
636
0.97
3
0
0.81
0.74 (0.49, 1.12)
Pulmonary complications
3
321
208
1.71
2
0
0.42
0.28 (0.09, 0.83)
Nephrostomy time
2
323
199
3.23
1
69
0.07
0.94 (-2.39, 4.26)
CI = confidence interval; MD = mean difference; RR = risk ratio.
