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Table 1 Characteristics of patients with uncoated and iodine-coated implants

From: Risk factors for surgical site infection after malignant bone tumor resection and reconstruction

Characteristic   Uncoated implant
(n = 236)
Iodine-coated implant
(n = 66)
P value
Age (years) 46 (range, 8–92) 32 (range, 6–85) <  0.001
Male/Female 135/101 38/28 1.000
Diagnosis Metastatic tumor 109 10  
  Osteosarcoma 76 43
Chondrosarcoma 21 5
MFH/UPS 16 3
Ewing’s sarcoma 6 1
Extraskeletal myxoid chondrosarcoma 1 0
  Fibrosarcoma 2 1  
Hemangiopericytoma 1 0
Malignant GCT 1 0
Adamantinoma 2 3
EWSR1 rearranged sarcoma 1 0
Instruments IM nail 64 0
  Plate 44 35
Joint prosthesis 47 8
Endoprosthesis 53 20
Screw 6 0
Joint prosthesis and IM nail 1 0
Plate and IM nail 1 1
Joint prosthesis and plate 1 1
External fixation 19 1
Reconstruction Frozen autograft 91 38
  Bone graft 10 2
Artificial bone and frozen autograft 0 1
Allograft 5 1
Bone cement 53 1
Bone graft and frozen autograft 3 0
Allograft and frozen autograft 3 0
Autoclaved bone 1 0
Chemotherapy   152 53 0.017
Operative time (minutes) 295 327 0.152
  1. MFH = malignant fibrous histiocytoma; UPS = undifferentiated pleomorphic sarcoma; GCT = giant cell tumor; IM = intramedullary