A huge finding cited from a key paper from The Journal of Bone and Joint Surgery: 

“At a ten year follow up tendon repair is superior to physiotherapy in small and medium sized rotator cuff tears”. Patients who had this method experienced better pain relief, strength and motion compared to physiotherapy treatment.

The findings from this key paper are very accurate as patients were randomised and all had a ten year follow up of results.

The full report can be read here