Figure 1.

Kaplan-Meier analysis of CKD-progression-free-survival in low-bicarbonate group compared with control group. The numbers of patients at risk of the outcome are indicated beneath the graph. Abbreviations: CKD progression, reaching the outcome; Survival probability, probability of being CKD-progression-free.

Kanda et al. BMC Nephrology 2013 14:4   doi:10.1186/1471-2369-14-4
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