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Table 4 Comparison of outcomes and complications in both groups

From: Outcomes of modular endoprosthesis reconstruction versus cement spacer reconstruction following resection of proximal humeral tumors

Data Endoprosthesis group (n = 19) Cement spacer group (n = 39) P-value
No. % No. %
Follow-up period (m)    
Mean ± SD 79 ± 57 42.4 ± 36 0.020
MSTS score    
Mean ± SD 24.8 ± 1.1 23.9 ± 1.4 0.018
Active range of motion (°)
 Forward flexion 30.3 ± 35.8 17.3 ± 20.0 0.184
 Extension 48.0 ± 25.3 26.7 ± 19.1 0.075
 Abduction 33.4 ± 18.7 16.6 ± 18.7 0.006
Local recurrence (n = 10) 2 10.5% 4 10.3% 0.975
Chest metastasis (n = 9) 3 15.8% 6 15.4% 0.968
Complications      0.879
 Radial nerve palsy (n = 3) 0 0% 3 7.7%  
 Deep infection (n = 2) 1 5.3% 1 2.6%  
 Skin sloughing (n = 1) 0 0% 1 2.6%  
 Wound gapping (n = 1) 0 0% 1 2.6%  
 Implant failure and revision (n = 3) 1 5.3% 2 5.1%  
 Dislocation (n = 1) 0 0% 1 2.6%  
 Proximal migration (n = 4) 2 10.5% 2 5.1%  
 Downward subluxation (n = 2) 1 5.3% 1 2.6%  
  1. MSTS The Musculoskeletal Tumor Society