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Table 2 Outcome measures

From: What is the impact of psychiatric decision units on mental health crisis care pathways? Protocol for an interrupted time series analysis with a synthetic control study

Primary outcome measures: Synthetic Control (ITS) Study

Rate of admissions to mental health trust adult inpatient wards per 1000 trust catchment population

Rate of ED psychiatric presentations per 1000 trust catchment population)

Primary outcome measures: ITS Study

Rate of informal admissions to mental health trust adult inpatient wards per 1000 trust catchment population

Rate of ED psychiatric presentations per 1000 trust catchment population)

Secondary outcome measures (both studies)

Mental health trust

Acute trust

Rate of inpatient admissions per 1000 trust catchment population

Proportion of 4-h psychiatric ED breaches (denominator psychiatric ED presentations)

Proportion of 0–5 day inpatient admissions (denominator total inpatient admissions)

Average length of psychiatric ED wait

Average length of inpatient stay (bed days)

Proportion of psychiatric ED 12 h trolley waits (denominator psychiatric ED presentations)

Proportion of compulsory admissions (denominator total admissions)

Proportion of psychiatric ED admissions admitted to an acute bed (denominator psychiatric ED presentations)

Proportion of psychiatric liaison episodes at the ED (denominator psychiatric ED presentations)

Proportion of psychiatric ED arrivals by ambulance or police (denominator psychiatric ED presentations)

ITS only outcomes:

Daily mean occupied bed days (denominator size of trust catchment population)

 

Proportion of out of area admissions (from the site MH trust to other MH trust or private provider) (denominator total inpatient admissions)

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