Neurosurgical Unit Outcomes
The study compared risk-adjusted 90-day mortality, average days in hospital within 90 days, and DAOH90 across 24 NHS neurosurgical units. DAOH90 rankings were strongly correlated with days in hospital at 90 days and moderately correlated w…
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The study compared risk-adjusted 90-day mortality, average days in hospital within 90 days, and DAOH90 across 24 NHS neurosurgical units. DAOH90 rankings were strongly correlated with days in hospital at 90 days and moderately correlated with postoperative mortality. The three organisational metrics could rank individual neurosurgical units differently. Funnel plots used 95% and 99.8% control limits around the national mean to examine variation between units. Risk adjustment included age, sex, comorbidity, frailty, and reoperation status. Four units had DAOH90 below the 99.8% lower control limit, indicating worse outcomes.