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. 2013 Apr 2;121(21):4287–4294. doi: 10.1182/blood-2012-12-471680

Table 4.

Explanatory power of baseline variables to predict OS

Model Variation in survival (r2) IDI (95% CI)*
Base clinical model (age, risk group, ECOG score, prior MDS, hemoglobin, creatinine > 1.3) 0.20
+Comorbidity (HCT-CI score > 1) 0.21 0.01 (0.00-0.08)
+Impaired objective PF (SPPB score < 9) 0.26 0.05 (0.00-0.16)
+Cognitive function (3MS < 77) 0.32 0.06 (0.00-0.16)

IDI, Integrated Discrimination Improvement.

*

95% CI is based on 1000 bootstrap replicate samples