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Table 1 Spontaneous passage rates of distal ureteral stones according to stone burden, location and smoking habits

From: The effect of smoking on spontaneous passage of distal ureteral stones

  Spontaneous passage number (total number) Spontaneous passage percentage p Value
All patients 69 (88) 78%  
1- 4 mm 42 (44) 95% <0.05
4,1-8 mm 23 (36) 63%  
8,1-10 mm 4 (8) 50%  
Patients with smoking habits 23 (30) 76%  
1- 4 mm 17 (17) 100% <0.05
4,1-8 mm 6 (10) 60%  
8,1-10 mm 0 (3) 0%  
Patients without smoking habits 46 (58) 79%  
1- 4 mm 25 (27) 92% <0.05
4,1-8 mm 17 (26) 65%  
8,1-10 mm 4 (5) 80%