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. 2018 Apr 5;2018(4):CD008509. doi: 10.1002/14651858.CD008509.pub3

Comparison 3. Subgroup analysis 2: distal ureter versus mid or proximal ureter stones.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Stone clearance 60 9370 Risk Ratio (M‐H, Random, 95% CI) 1.44 [1.34, 1.54]
1.1 Distal ureter 57 8576 Risk Ratio (M‐H, Random, 95% CI) 1.46 [1.36, 1.57]
1.2 Mid or proximal ureter 9 794 Risk Ratio (M‐H, Random, 95% CI) 1.28 [0.99, 1.66]
2 Stone expulsion time 32 5599 Mean Difference (IV, Random, 95% CI) ‐3.67 [‐4.50, ‐2.85]
2.1 Distal ureter 32 5453 Mean Difference (IV, Random, 95% CI) ‐3.43 [‐4.26, ‐2.60]
2.2 Mid or proximal ureter 2 146 Mean Difference (IV, Random, 95% CI) ‐8.64 [‐19.75, 2.48]