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Table 3 Results of univariate analysis of the patient-related parameters

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

Factor   Number (%) of tumors with deep infection OR 95% CI p value
Age ≥40 years 15/170 (8.8%) 0.613 0.275–1.351 0.197
  < 40 years 18/132 (13.6%)  
Tumor location Pelvis 10/24 (41.7%) 7.821 2.782–21.510 <  0.001
  Other 23/278 (8.3%)  
Metastatic tumor Yes 7/119 (5.9%) 0.379 0.134–0.936 0.024
  No 26/183 (14.2%)  
Recurrent tumor Yes 2/16 (12.5%) 1.174 0.124–5.501 0.690
  No 31/286 (12.9%)  
Pathological fracture Yes 2/62 (3.2%) 0.225 0.025–0.931 0.037
  No 31/240 (12.9%)  
Chemotherapy Yes 25/193 (13.0%) 1.634 0.679–4.371 0.326
  No 8/94 (8.5%)  
Radiation therapy Yes 2/15 (13.3%) 1.269 0.133–6.025 0.673
  No 31/287 (10.8%)  
  1. OR, odds ratio; CI, confidence interval
  2. The p values were calculated with Fisher exact test
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