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Table 1 Demographic data of patients with small renal stone

From: Fragmentation and propulsive effect of shock wave lithotripsy in treatment of small renal calculi

Patients (n = 52) No %
Age (years)
 20—29 16 30.8
 30—39 20 38.5
 40—49 11 21.2
 ≥ 50 years 5 9.6
Gender
 Male 41 78.8
 Female 11 21.2
Symptomatic
 Yes 41 78.8
 No 11 21.2
Number of stones
 1 47 90.4
 2 4 7.7
 3 1 1.9
Total number of stones = 58  
 PCS dilatation
  Yes 5 9.6
  No 47 90.4