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Table 1 Patients demographics

From: The Resonance and the Allium ureteral stents in the treatment of non-malignant refractory ureterostenosis

  Resonance stent Allium stent P value
Number of patients 18 15  
Age (years) 55.7 ± 13.4 52.5 ± 12.5 0.487
Gender
 Male 12 9 0.731
 Female 6 6  
Follow-up time (months) 36.2 ± 24.0 9.4 ± 5.0 < 0.001
Causes of stenosis
 IRPF 14 5 0.013
 SRPF 4 6  
 Ureteroscope lithotripsy 0 4  
  1. IRPF idiopathic retroperitoneal fibrosis, SRPF secondary retroperitoneal fibrosis