Skip to main content

Table 1 The detailed quality assessment of prognostic studies

From: Relationship of lymphovascular invasion with lymph node metastasis and prognosis in superficial esophageal carcinoma: systematic review and meta-analysis

Author Years Included Region Comment 1 Comment 2 Comment 3 Comment 4 What are the results
Leggett (2015) [7] 1995-2011 USA Yes Yes Yes Yes Survival curve, CI is narrow, conclusion is promotable
Yamashina (2013) [8] 1995-2010 Japan Yes Yes Yes Yes CI is relative marrow, conclusion is promotable
Tanaka (2014) [9] 1988-2010 Japan Yes Yes Yes Yes CI is narrow, conclusion is promotable
Xue (2018) [10] 1990-2004 China Yes Yes Yes Yes CI is relative marrow, conclusion is relative promotable
  1. CI Confidence interval