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Table 3 Outcomes and complications

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 (%)
Totally tubeless 62
Operation time (min) 61.93 ± 40.84
Post-operation  
 LOS (days) 2.46 ± 1.19
 Cr decrease (mg/dL) 0.05 ± 0.39
 Hct decrease (%) 4.67 ± 2.83
 Nalbuphine usage 6 (10)
Initial stone free (post OP) 52 (83.9)
Final stone free (3 months) 54 (87.1)
Clavien grading system  
 None 53 (85)
 Grade 1 (transient fever) 5 (8)
 Grade 2 (sepsis, bleeding) 4 (6)
 Grade 3 (second look, pneumothorax, blood clot causing urine retention) 0
 Grade 4 (organ failure) 0
 Grade 5 (death) 0