Retrospective Cohort Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jun 14, 2015; 21(22): 6905-6913
Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6905
Figure 1
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Figure 1 Flow chart for selection criteria of patients.
Figure 2
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Figure 2 Cumulative probabilities of overall survival based on age (log-rank test, P = 0. 780).
Figure 3
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Figure 3 Cumulative probabilities of cancer-related death based on age (log-rank test, P = 0. 048).