Deltoid-split and deltopectoral approaches showed similar Constant scores 12 months postoperatively ( Deltoid-split 81 ; 95 % confidence interval [ CI ] , 74-87 versus deltopectoral 73 ; 95 % CI , 64-81 ; p = 0.13 ) , and there were no differences between the groups in terms of pain at 1 year ( deltoid-split 1.8 ; 95 % CI , 1.2-1 .4 versus deltopectoral 2.5 ; 95 % CI , 1.7-3 .2 ; p = 0.14 ) .