Table VI.
Acromial/scapular fractures rates overall and stratified by diagnosis
| Studies included | Shoulders | Acromial/scapular Fx | Rate, % | P value | |
|---|---|---|---|---|---|
| Current study overall | 120 | 14,235 | 371 | 2.6 | .06 |
| Zumstein et al | 21 | 782 | 12 | 1.5 | — |
| Current study: subtotal of non-Grammont designs | 30 | 5420 | 133 | 2.5 | .11 vs. Zumstein et al |
| Stratified by type | 116 | 12,688 | 327 | — | — |
| Acromial Fx | — | — | 205 | 1.6 (205/12,688) | — |
| Scapular spine Fx | — | — | 122 | 1.0 (122/12,688) | — |
| Diagnosis | |||||
| CTA | 21 | 1407 | 36 | 2.6 | .04 vs. PHF; .91 vs. RCT; .002∗ vs. inflammatory |
| PHF | 12 | 307 | 2 | 0.7 | .053 vs. RCT |
| RCT | 8 | 647 | 16 | 2.5 | — |
| Inflammatory | 5 | 153 | 12 | 7.8 | .001 vs. RCT; <.001∗ vs. PHF |
Fx, Fracture; CTA, cuff tear arthropathy; PHF, proximal humerus fracture; RCT, massive rotator cuff tear; JSES, Journal of Shoulder and Elbow Surgery.
A diagnosis of Inflammatory arthritis had significantly higher rates compared to CTA, RCT, and PHF. Despite improved surgeon awareness in diagnosing Acromial/Scapular Fx, there was no significant increase in rates compared to Zumstein et al (JSES, 2011).
∗
Fisher exact test.