Letters

Measuring NHS activity

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7002.454a (Published 12 August 1995) Cite this as: BMJ 1995;311:454
  1. Allyson M Polloc,
  2. Neil Vickers
  1. Senior lecturer, public health sciences Research assistant Department of Public Health Sciences, St George's Hospital Medical School, London SW17 0RE

    Admission rates are misleading

    EDITOR,--We recently analysed five years of statistics on hospital episodes for all residents in the South Thames region admitted with a diagnosis of colorectal cancer between 1989 and 1993. Using date of birth, age, sex, and postcode as patient identifiers, we were able to link finished consultant episodes to admissions to calculate both the total number of admissions and the total number of patients treated. Data on 35230 finished consultant episodes were obtained; these related to 20434 patients, who had 32364 admissions …

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