Table 4 Complications and reoperations: overall, in the LBN group and in the PHILOS group w/o – without
| Â | Overall | LBN | PHILOS | P value | |
|---|---|---|---|---|---|
Number of patients with complication (%) |  | 23 (33.8) | 12 (33.3) | 11 (34.3) | >  0.999 |
Complications (%) | Malposition of impants | 6 (8.8) | 4 (11.1) | 2 (6.3) | 0.676 |
Loss of reduction of humeral head with screw cut-out | 10 (14.7) | 2 (5.6) | 8 (25.0) | 0.039 | |
Loss of reduction of humeral head w/o screw cut-out | 2 (2.9) | 2 (5.6) | 0 (0) | 0.494 | |
Loss of reduction of greater tuberosity | 1 (1.5) | 0 (0) | 1 (3.1) | >  0.999 | |
Tuberosity resorption / head migration | 5 (7.4) | 3 (8.3) | 2 (6.3) | >  0.999 | |
Migration without tuberosity resorption | 1 (1.5) | 1 (2.8) | 0 (0) | >  0.999 | |
Osteonecrosis of humeral head | 2 (2.9) | 1 (2.8) | 1 (3.1) | >  0.999 | |
Axillary nerve lesion | 1 (1.5) | 0 (0) | 1 (3.1) | >  0.999 | |
Adhesive capsulitis | 1 (1.5) | 0 (0) | 1 (3.1) | >  0.999 | |
Total number of complications | Â | 29 | 13 | 16 | 0.941 |
Revision surgery indicated (%) | Â | 14 (20.6) | 5 (13.9) | 9 (28.1) | 0.229 |
Revisions performed (%) | Reverse shoulder arthroplasty | 3 (4.4) | 1 (2.8) | 2 (6.3) | 0.598 |
| Â | Arthrolysis and implant removal | 9 (13.2) | 4 (11.1) | 5 (15.6) | 0.725 |
Total number of performed revisions | Â | 12 (17.6) | 5 (13.9) | 7 (21.9) | 0.527 |