A propensity score-matched analysis shows impaired HRQOL related to malnutrition in elderly patients, suggesting nutritional status may reflect biological age.
Preoperative malnutrition evaluated by GNRI was independently associated with impaired postoperative HRQOL in elderly patients undergoing spinal surgery. The GNRI may serve as a nutritional marker and a surrogate for biological age.
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Kinoshita et al. (2026) studied this question.
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