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Table 1 Baseline and demographic data of the included patients

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. %
Age (y)    
 Mean ± SD 33.4 ± 17.5 24.6 ± 14.3 0.061
Gender      0.159
 Male 9 47.4% 26 66.7%  
 Female 10 52.6% 13 33.3%  
Diagnosis      0.008
 Osteosarcoma (n = 22) 5 26.3% 17 43.6%  
 Ewing’s sarcoma (n = 13) 1 5.3% 12 30.8%  
 Chondrosarcoma (n = 12) 7 36.8% 5 12.8%  
 Giant cell tumor (n = 5) 2 10.5% 3 7.7%  
 Chondroblastoma (n = 2) 2 10.5% 0 0%  
 Leiomyosarcoma (n = 1) 1 5.3% 0 0%  
 Primary lymphoma (n = 1) 0 0% 1 2.6%  
 Malignant fibrous histiocytoma (n = 1) 1 5.3% 0 0%  
 Metastatic adenocarcinoma (n = 1) 0 0% 1 2.6%  
Recurrent at presentation      0.738
 De novo (n = 47) 16 84.2% 31 79.5%  
 Recurrent (n = 11) 3 15.8% 8 20.5%  
Pathological fracture at presentation      0.505
 No (n = 40) 12 63.2% 28 71.8%  
 Yes (n = 18) 7 36.8% 11 28.2%