Frailty linked to worse outcomes in chronic lymphocytic leukemia
Hospitalized adults with high frailty had 4.74 times the adjusted odds of dying in hospital compared with those with low frailty.
Our read
Biomarkers- Studied:
- Cohort study of 97,325 hospitalized adults with chronic lymphocytic leukemia
- What changed:
- Adults with high frailty had 4.74 times the adjusted odds of hospital death compared with those with low frailty
- The catch:
- Differences in illness severity could partly explain the link between frailty and hospital death
- Why it’s aging research:
- It measures an outcome that worsens with age.
Editor of record: Boris Djordjevic · AgingResearch.News
Adults hospitalized with chronic lymphocytic leukemia, a blood cancer, were studied in an observational analysis covering 97,325 patients in the US from 2017 through 2022. None had achieved remission. A hospital frailty risk score grouped patients into low, intermediate and high frailty. More than half fell into the intermediate or high groups.
After adjustment for age, other illnesses and additional factors, higher frailty was linked to more hospital deaths, less favorable discharge outcomes and prolonged stays. Mean hospital costs were $59,674 in the low-frailty group and $101,959 in the high-frailty group. The link between frailty and mortality held across adult age groups, with the strongest relative association among patients aged 40–59.
Why it matters
Chronic lymphocytic leukemia mainly affects older adults, but age alone may miss their vulnerability. The authors support including frailty in hospital risk assessment rather than relying on age alone.
Caveats
The hospital-record analysis could not rule out that unmeasured differences in illness severity contributed to the links. The findings concern hospitalized adults who had not achieved remission, and results in the small youngest subgroup need caution.
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