Fig. 3From: Efficacy and safety of PDE5-Is and α-1 blockers for treating lower ureteric stones or LUTS: a meta-analysis of RCTsThe comparisons between combination therapy and tamsulosin monotherapy for treating lower ureteric stones a Expulsion rate b Expulsion time c Analgesic use d No. of colic episodes e No. of hospital visits f Improvement in EDBack to article page