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Prognostic Value of Microvessel Density in Non-Hodgkin Lymphoma: A Meta-Analysis
Jinkun Wu1, Shupeima Ma2, Lingling Sun3
1Department of Pathology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China.
Background:
Angiogenesis in non-Hodgkin lymphoma (NHL) has been investigated by a variety of studies. However, the correlation between angiogenesis and the occurrence or prognosis of NHL patients remains controversial.
Methods:
We performed a systematic and comprehensive retrieval of relevant literatures from PubMed, EMBASE, and Web of Science databases. The quality of the eligible studies was assessed using the Newcastle-Ottawa Scale (NOS).
Results:
Fifteen eligible studies containing a total of 1373 NHL patients were included in this study. All the eligible studies were high-quality studies scoring ≥6 points. MVD was not different between NHL and control (SMD = 0.281, 95% CI: -1.410 to 1.972, p = 0.745). High MVD was associated with advanced disease stage (OR = 1.580, 95% CI: 1.080-2.311, p = 0.018) and unfavorable OS (HR = 1.656, 95% CI: 1.366-2.009, p = 0.000) but not with PFS (HR = 1.349, 95% CI: 0.852-2.136, p = 0.201).
Conclusion:
This meta-analysis demonstrated that high MVD was related to advanced disease stage and associated with unfavorable OS of NHL patients.
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