Table 1

Data collection form used by clinicians (first column) including reasons, definitions and guidance to clinicians for data collection (second column)

Data collection formData definition/ information
Embedded Image Identifies age and gender and allows comparison with daily admission list to enable identification of omitted patient
1) DATE
……….NOV 2012
Date of admission, identifies day of week and appropriate daily list.
2) ACUTE ALCOHOL INTOXICATION
  •  NOT INTOXICATED with alcohol

  •  MILD intoxication

  •  MODERATE intoxication

  •  SEVERE intoxication

  •  VERY SEVERE intoxication

ICD Y91 classification. Clinician selects one of these options which correlate with ICD-10 codes. Guidance displayed within ED is included as online supplementary file S1.
3) CHRONIC ALCOHOL DEPENDENCE
  •  YES patient has chronic alcohol dependence

  •  NO does not have chronic alcohol dependence

ICD Y91 classification, clinician selects option, correlates with ICD-10 codes. Also acceptable if formal diagnosis in hospital records
4) WHAT IS THE DIAGNOSIS ON ADMISSION?Freehand diagnosis, not ICD-10 code based. Main diagnosis only as entered into departmental software.
5) IN YOUR OPINION IS ALCOHOL
  •  LARGELY responsible for this admission

  •  PARTIALLY responsible for this admission

  •  NOT responsible for this admission

Assigned by admitting clinician. ‘Largely’—admission would not have occurred without alcohol. ‘Partially’—alcohol strongly contributing ‘Not’ all other circumstance.