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We aimed to compare the predictive role of frailty and HGS for adverse outcome in HF patients.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>We included older patients (age\u00a0\u2265\u00a065\u2009years) who underwent HF surgery to compare the predictive role of HGS and hip-multidimensional frailty score (Hip-MFS) for postoperative complications and mortality. The Hip-MFS was calculated based on comprehensive geriatric assessment (CGA), and HGS was measured with a hand dynamometer. The primary outcome was a composite of postoperative complications (e.g., pneumonia, urinary tract infection, delirium, acute pulmonary thromboembolism, and unplanned intensive care unit admission). The secondary outcomes were 6-month mortality and mortality at the end of follow-up.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The median observation time was 620.5\u2009days (interquartile range: 367.0\u2013784.8\u2009days). Among the 242 patients (mean age: 81.5\u00a0\u00b1\u00a06.7\u2009years, 73.1% women), 106 (43.8%) experienced postoperative complications. The 6-month mortality and mortality at the end of follow-up were 7.4% (<jats:italic>n<\/jats:italic>\u2009=\u200918) and 20.7% (<jats:italic>n<\/jats:italic>\u2009=\u200950), respectively. The Hip-MFS (odds ratio [OR], 1.250; 95% confidence interval [CI], 1.092\u20131.432) and HGS (OR, 1.147; 95% CI, 1.082\u20131.215) could predict postoperative complications. The Hip-MFS could predict both 6-month mortality (hazard ratio [HR], 1.403; 95% CI, 1.027\u20131.917) and mortality at the end of follow-up (HR, 1.493; 95% CI, 1.249\u20131.769) after adjustment, while HGS was only associated with mortality at the end of follow-up (HR, 1.080; 95% CI, 1.024\u20131.139). For mortality at the end of follow-up, predictive models with the Hip-MFS were superior to those with HGS in the time-dependent receiver-operating curve analysis after adjustment (<jats:italic>p<\/jats:italic>\u2009=\u20090.017). Furthermore, the addition of Hip-MFS or HGS to the American Society of Anesthesiologists (ASA) classification improved its prognostic ability.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Both the Hip-MFS and HGS could predict postoperative complications and improve prognostic utility when combined with the ASA classification. The Hip-MFS was a stronger predictor of mortality than HGS after HF surgery. HGS could be a useful pre-screening tool to identify patients at a high risk of postoperative complications and those who may benefit from further CGA.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12877-021-02150-9","type":"journal-article","created":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T20:03:09Z","timestamp":1617825789000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["How does the multidimensional frailty score compare with grip strength for predicting outcomes after hip fracture surgery in older patients? 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The need for consent was waived by the SNUBH institutional review board because it is practically impossible to obtain consent from each participant; there is no reason to presume that the participant refused to consent and, even if the consent is exempted, the risk to the participant is extremely low.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"All authors state that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"234"}}