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Table 1 Definition of the performance indicators

From: A discrete event simulation model to evaluate the treatment pathways of patients with cataract in the United Kingdom

Performance Indicator

Definition

Number of surgeries

Total number of surgeries performed in the hospital cataract services per year.

Doctors hours

Total number of hours spent by doctors diagnosing patients, follow-up appointments and cataract surgeries per year

Nurses hours

Total number of hours spent by nurses on all aspect of ophthalmology services including cataract surgeries per year

Consultation room utilisation

Fraction of time (in percentage) of usage of pre-surgery consultation rooms.

Recovery chair utilisation

Fraction of time (in percentage) of usage of post-surgery recovery chair.

Recovery bed utilisation

Fraction of time (in percentage) of usage of post-surgery recovery bed.

Revenue

Total annual amount of money received by the hospital cataract services for performing surgeries and other related activities

Cost

Total annual cost incurred by the hospital cataract services for performing surgeries and other related activities

Surplus

Difference between the total annual revenue and the total annual cost for performing surgeries