Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Aug 7, 2015; 21(29): 8868-8877
Published online Aug 7, 2015. doi: 10.3748/wjg.v21.i29.8868
Figure 1
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Figure 1 Flow chart of study selection process.
Figure 2
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Figure 2 Study-specific and combined odd ratios and 95%CIs of colorectal adenoma comparing the highest category with the lowest category of circulating 25-hydroxyvitamin D levels. First: First adenoma as an endpoint; Recur: Recurrent adenoma as an endpoint.