<qa>  What was the overall odds ratio of intact rotator cuff tendon healing?6 level randomized controlled trials showed no clinically significant differences in Constant scores, University of California, Los Angles shoulder rating UCLA, and American Shoulder and Elbow Surgeons ASES scores between double-row and single-row rotator cuff repair. Overall odds ratio OR of intact rotator cuff tendon healing was 1.93 in patients treated with double-row versus single-row repair, and the difference was significant. 