Table V.
Number of fractures treated conservatively and fracture rates stratified by diagnosis and prosthesis design
| Number of Fx treated conservatively | Rate, % (n/n) | |||
|---|---|---|---|---|
| Intraop. humerus Fx | 52 | 53.6 (52/97) | ||
| Intraop. glenoid Fx | 10 | 66.7 (10/15) | ||
| Postop. humerus Fx | 25 | 36.2 (25/69) | ||
| Postop. glenoid Fx |
3 |
50 (3/6) |
||
| Diagnosis |
CTA |
RCT |
PHF |
Failed arthroplasty |
| Shoulders | 990 | 247 | 1443 | 1290 |
| Intraop. humerus Fx | 0.3 (3/990) | 0 (0/247) | 0.8 (11/1443) | 5.5 (71/1290)∗ |
| Intraop. glenoid Fx | 0.3 (3/990) | 0 (0/247) | 0.1 (2/1443) | 0.2 (3/1290) |
| Postop. humerus Fx | 0.2 (2/990) | 0.8 (2/247) | 0.5 (7/1443) | 2.6 (33/1290)† |
| Postop. glenoid Fx |
0.2 (2/990) |
0 (0/247) |
0 (0/1443) |
0 (0/1290) |
| Prosthesis design |
LG/MH |
MG/LH |
LG/LH |
MG/MH |
| Shoulders | 711 | 318 | 28 | 2839 |
| Intraop. humerus Fx | 0 (0/711) | 0 (0/318) | 0 (0/28) | 1.6 (46/2839)‡ |
| Intraop. glenoid Fx | 0 (0/711) | 0.3 (1/318) | 0 (0/28) | 0.1 (3/2839) |
| Postop. humerus Fx | 2.1 (15/711) | 2.5 (8/318) | 0 (0/28) | 1.1 (31/2839)§ |
| Postop. glenoid Fx | 0 (0/711) | 0.3 (1/318) | 0 (0/28) | 0.2 (5/2839) |
Intraop., intraoperatively; Postop., postoperatively; Fx, fracture; CTA, cuff tear arthropathy; RCT, rotator cuff tear; PHF, proximal humerus fracture; LG, lateralized glenoid; MH, medialized humerus; MG, medialized glenoid; LH, lateralized humerus.
∗
P < .001 vs. CTA; P < .001 vs. RCT; P < .001 vs. PHF.
†
P < .001 vs. CTA; P = .09 vs. RCT; P < .001 vs. PHF.
‡
P = .001 vs. LG/MH.
§
P = .03 vs. MG/LH; P = .03 vs. LG/MH.