Hospital Episode Statistics
Patient-level linkage allowed the study to track transfers, readmissions, and deaths. Patient-level linkage allowed DAOH to include stays at hospitals beyond the original neurosurgical unit. Administrative data lacked important clinical se…
1 sources - 5 claims
Patient-level linkage allowed the study to track transfers, readmissions, and deaths. Patient-level linkage allowed DAOH to include stays at hospitals beyond the original neurosurgical unit. Administrative data lacked important clinical severity variables, limiting adjustment for confounding. The study used Hospital Episode Statistics Admitted Patient Care data linked to the Office for National Statistics death register. HES captures admissions and day cases across English NHS hospitals.