Figure 2.

Kaplan-Meier estimates of 12-month survival for the three groups with 0, 1 and 2 abnormal cognitive test results. Log rank χ2(df = 2, N = 200) = 9.7, p = 0.008.

Torisson et al. BMC Geriatrics 2012 12:47   doi:10.1186/1471-2318-12-47
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