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Overall survival (OS) according to nutritional status. The Mini Nutritional Assessment short-form (MNA-SF) is one of the domains of comprehensive geriatric assessment. The OS was longer in older small cell lung cancer patients with normal nutritional status or at risk of undernutrition compared to patients with malnutrition (median survival 15.50 vs. 5.63; hazard ratio [HR], 6.00; 95% confidence interval [CI], 1.79 to 20.15; p = 0.004).
