Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2011; 17(1): 89-97
Published online Jan 7, 2011. doi: 10.3748/wjg.v17.i1.89
Figure 8
Figure 8 Correlation between equipment of households with refrigerators and gastric cancer morbidity. Spearman’s rank correlation coefficient (rs) for men: rs = -0.77 (P < 0.001), and for women: rs = -0.80 (P < 0.001).