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Table 5 Summary of effect of body mass index in percutaneous nephrolithotripsy

From: Impact of weight on stone-free rate during percutaneous nephrolithotomy

Study Number Study design Clearance (SFR) OR. time Hospital stay Complications Blood transfusion Analgesic use Auxiliaryprocedure
Faeber [16] 530 Retrospective Normal Morbidity obesity    
Pearle (2 institutions) [17] 236 Retrospective BMI: ≥ 30 Non selectedseries   
Koo (1 surgeon) [18] 223 Retrospective BMI: < 25, 25–29, 30–39, ≥ 40   
El-Assmy (1 institution)[19] 1211 Retrospective BMI: < 25, 25–29, 30–39, ≥ 40   
Bagrodia (1 surgeon) [20] 183 Retrospective BMI: < 25, 25–29, 30–39, ≥ 40   
CROES* Multi-centers [22] 5803 Prospective database BMI: < 25, 25–29, 30–39, ≥ 40  
Ortiz* (1 institution) [21] 255 Prospective BMI: < 25, 25–29, 30–39, ≥ 40   
Our study* (1 surgeon) (1 institution) 123 Prospective BMI: < 25, 25–29, 30–39, ≥ 40   
  1. *Prospective study. SFR Stone-free rate, OP time Operation time, ↑: Increase, = : No effect