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Prognostic value of biochemical variables for survival after surgery for metastatic bone disease of the extremities

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  1. Preoperative BMD does not influence femoral stem subsidence of uncemented THA when the femoral T-score is > -2.5

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. No difference for changes in BMD between two different cementless hip stem designs 2 years after THA

    Research output: Contribution to journalJournal articleResearchpeer-review

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BACKGROUND AND OBJECTIVE: Prediction of survival in patients having surgery for metastatic bone disease in the extremities (MBDex) has been of interest in more than two decades. Hitherto no consensus on the value of biochemical variables has been achieved. Our purpose was (1) to investigate if standard biochemical variables have independent prognostic value for survival after surgery for MBDex and (2) to identify optimal prognostic cut off values for survival of biochemical variables.

METHODS: In a consecutive cohort of 270 patients having surgery for MBDex, we measured preoperative biochemical variables: hemoglobin, alkaline phosphatase, C-reactive protein and absolute, neutrophil and lymphocyte count. ROC curve analyses were performed to identify optimal cut off levels. Independent prognostic factors for variables were addressed with multiple Cox regression analyses.

RESULTS: Optimal cut off levels were identified as: hemoglobin 7.45 mmol/L, absolute lymphocyte count 8.5 × 109/L, neutrophil 5.68 × 109/L, lymphocyte 1.37 × 109/L, C-reactive protein 22.5 mg/L, and alkaline phosphatase 129 U/L. Regression analyses found alkaline phosphatase (HR 2.49) and neutrophil count (HR 2.49) to be independent prognostic factors.

CONCLUSIONS: We found neutrophil count and alkaline phosphatase to be independent prognostic variables in predicting survival in patients after surgery for MBDex.

Original languageEnglish
JournalJournal of Surgical Oncology
Issue number4
Pages (from-to)442-448
Number of pages7
Publication statusPublished - Mar 2017

    Research areas

  • Adult, Aged, Aged, 80 and over, Alkaline Phosphatase, Biomarkers, Bone Neoplasms, C-Reactive Protein, Cohort Studies, Extremities, Female, Hemoglobins, Humans, Leukocyte Count, Male, Middle Aged, Neutrophils, Prognosis, Regression Analysis, Young Adult, Journal Article

ID: 52757253