16 Shoulder external Rotation Timing of surgery Poor (%) Fair (%) Good (%) Excellent (%) Total P value <6 months 4 (6, 7) 3 (5, 0) 5 (8, 3) 48 (80, 0) 60 p>0, 05 months 2 (9, 5) 2 (9, 5) 5 (23, 8) 12 (57, 1) 21 Total 6 (7, 4) 5 (6, 2) 10 (12, 3) 60 (74, 1) 81 Comments: Table 3.22 shows that patients operated before 6 months reached excellent level of recovery degree of shoulder external rotation was 80%, greater than patients operated after 6 months (57.1%). P value was greater than 0.05.