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Table 1 Patient demographic profile

From: Totally tubeless single access tract mini-percutaneous nephrolithotripsy in treatment of large burden > 2-cm and/or complex renal stones: a case series of 62 patients

  N (%)
Patients 62
Gender  
 F 22 (35)
 M 40 (65)
Age (years)  
 Mean 58.82 ± 12.94
 Range 34–83
Body Mass Index 26.18 ± 3.86
Laterality  
 Left 26 (42)
 Right 36 (58)
Stone location  
 Staghorn or partial staghorn 25 (40)
 Renal 21 (34)
 UPJ or upper ureter 16 (26)
Stone burden  
 Length (mm) 36.69 ± 19.76
 Width (mm) 24.79 ± 14.86
 Area (L × W) (mm2) 1172.66 ± 1693.89
Stone composition  
 Whewellite or Weddellite 50 (81)
 Struvite 10 (16)
 Uric acid 2 (3)
Hydronephrosis  
 Grade 1–2 44 (71)
 Grade 3–5 18 (29)