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Hazard ratios (HRs) and 95% CIs for the association between potential renal acid load and risk of ER-PR- negative and triple negative breast cancer. The models were adjusted for covariates used in Table 2. SD, standard deviation; HR, hazard ratio; 95% CI, 95% confidence interval; ER, estrogen receptor; PR, progesterone receptor; +, positive; −, negative.
