Table VII.
Postoperative complications following revision to reverse total shoulder arthroplasty versus anatomical total shoulder arthroplasty: reported incidence and odds ratio.
| Postoperative complication | RTSA cases (n = 2,073) |
% | ATSA cases (n = 601) |
% | p-value | OR* | |
|---|---|---|---|---|---|---|---|
| RTSA | ATSA | ||||||
| Instability | 134 | 6.46 | 51 | 8.49 | 0.084† | 1.34 (0.96 to 1.88) |
|
| Component loosening | 92 | 4.44 | 22 | 3.66 | 0.405† | 1.22 (0.76 to 1.96) |
|
| Infection | 60 | 2.89 | 16 | 2.66 | 0.765† | 1.09 (0.62 to 1.91) |
|
| Periprosthetic fracture | 75 | 3.62 | 9 | 1.50 | 0.009† | 2.47 (1.23 to 4.96) |
|
| Pain and stiffness | 14 | 0.68 | 21 | 3.49 | < 0.001† | 5.33 (2.70 to 10.54) |
|
| Rotator cuff failure | 3 | 0.14 | 35 | 5.82 | < 0.001‡ | 42.67 (13.08 to 139.24) |
|
| Haematoma | 24 | 1.16 | 1 | 0.17 | 0.027‡ | 7.02 (0.95 to 52.06) | |
| Glenoid failure | - | - | 5 | 0.83 | |||
| Baseplate failure | 10 | 0.48 | - | - | |||
| Fracture sequelae | 1 | 0.05 | 1 | 0.17 | 0.399‡ | 3.45 (0.23 to 55.30) |
|
| Radiological complications | 12 | 0.58 | 0 | 0.00 | 0.080‡ | 7.29 (0.43 to 123.39) |
|
| Nerve injuries | 6 | 0.29 | 1 | 0.17 | 1.000‡ | 1.74 (0.21 to 14.50) |
|
| Wound problems | 6 | 0.29 | 1 | 0.17 | 1.000‡ | 1.74 (0.21 to 14.50) |
|
| Others | 15 | 0.72 | 6 | 1.00 | |||
| Unspecified | 3 | 0.14 | 5 | 0.83 | |||
| Overall complication rate | 455 | 21.95 | 174 | 28.95 | < 0.001† | 1.45 (1.18 to 1.78) |
|
*
Odds ratio (OR) with 95% confidence interval. OR greater than 2 with 95% CI not spanning null value (OR = 1) was considered clinically relevant.
†
Compared using chi-squared test.
‡
Compared using Fisher's exact test.
ATSA, anatomical total shoulder arthroplasty; OR, odds ratio; RTSA, revision total shoulder arthroplasty.