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Fig. 2 | BMC Medicine

Fig. 2

From: Age-related frailty and its association with biological markers of ageing

Fig. 2

a Kaplan-Meier survival curves of the FI-B for the four risk strata defined by the following cut points: blue <0.25 (low risk, n = 31), red 0.25–0.38 (low-intermediate risk, n = 217), green 0.38–0.49 (intermediate-high risk, n = 154), pink ≥0.50 (highest risk, n = 32). b Kaplan-Meier survival curves of the FI-B calculated from 30 biomarkers randomly chosen from the total 40 and stratifying them in four groups with the same cut points as in A. The sampling was repeated 300 times

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