Abstract
Background
Mean platelet volume (MPV) is one of the four platelet parameters (platelet count, MPV, platelet distribution width and plateletcrit), which indicates the activation of platelet. We aim to investigate the associations between pre-treatment MPV levels and clinical hematology parameters, pathology parameters and prognosis of patients with invasive breast cancer (IBC).
Methods
Medical records of 340 breast tumor patients (170 IBC vs. 170 breast benign tumor) were retrospectively reviewed. Patients in two groups were matched for age, body mass index, smoking status and complications. To analyze: differences in pre-treatment MPV levels between IBC group and breast benign tumor group; differences between pre- and postoperative MPV levels in IBC patients; correlations between pre-treatment MPV and clinical hematology parameters, clinicopathologic parameters and prognosis in IBC patients.
Results
As we analyzed, pre-treatment MPV levels of IBC patients were significantly higher than the controls (8.65 ± 0.98 vs 8.34 ± 0.78, P = 0.002), and preoperative MPV levels were significantly higher than the postoperative in IBC patients (8.65 ± 0.98 vs 8.44 ± 0.91, P = 0.042). In IBC group, pre-treatment MPV level associated, significantly, with clinical hematology parameters (platelet, fibrinogen, albumin, fasting blood glucose, P = 0.003, 0.042, 0.032, 0.046, respectively) and with clinicopathological parameters (distant metastasis, primary tumor size, tumor node metastasis stages, P = 0.039, 0.002, 0.001, respectively). Furthermore, univariate and multivariate survival analysis demonstrated that MPV was significant prognostic factor (P = 0.035, HR 1.86, 95 % confidence interval 1.06–3.25).
Conclusion
High pre-treatment MPV level in IBC patients was a potential predictive factor and significant independent prognostic factor.
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