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Table 2 Descriptors and performance levels. The performance levels are ordered in decreasing order of relative attractiveness

From: A multicriteria decision making approach applied to improving maintenance policies in healthcare organizations

Criteria Descriptors and performance levels
Financial
costs
Annual financial costs required to set up an alternative
L1 = Good 0 €
L2 1.800 €
L3 = Neutral 3.600 €
L4 5.400 €
L5 7.200 €
Maintenance costs Annual maintenance costs required to set up an alternative
L1 10.000 €
L2 = Good 20.000 €
L3 30.000 €
L4 = Neutral 40.000 €
L5 50.000 €
Degree of acceptance among maintenance personal Breakdown diagnosis and corrective activity planning capacity
L1 = Good The professional is confident of the diagnoses of the breakdowns analysed. corrective action can be programmed jointly with other subsystems involved.
L2 The professional is confident of the diagnoses of the breakdowns analysed, and corrective action in the subsystem must be programmed.
L3 = Neutral The professional is confident of the diagnoses of the breakdowns analysed, and corrective action in the subsystem must be started immediately.
L4 The professional is not always confident of the diagnoses of the breakdowns analysed, passing on to his superiors the decision to take corrective or immediate action in the subsystem.
L5 The professional is not confident of the diagnoses of the breakdowns analysed, and corrective action in the subsystem must be started immediately.
Quality of healthcare Mean availability of the subsystem and consequences for the working of the subsystem (and so for patient service).
L1 = Good Mean availability of the subsystem is greater than 0.9990. There are no consequences for the working of the subsystem.
L2 Mean availability of the subsystem is between 0.9990 and 0.9981. A short pause is created in some dialysis posts, with no need to halt the process.
L3 = Neutral Mean availability of the subsystem is between 0.9971 and 0.9980. A halt is produced in some dialysis positions, requiring the machines in a normal working state to be stopped, and connected to manual operation and supervised by clinical staff, until they can be returned to automatic operation.
L4 Mean availability of the subsystem is between 0.9961 and 0.9970. A pause is produced in some dialysis positions, requiring the machines to be disconnected and dialysis to be stopped until normal operation is resumed.
L5 Mean availability of the subsystem is below 0.9960. A stoppage of the subsystem is produced, implying a 100 % cancellation of the work programmed. A halt is produced in some dialysis positions, requiring the process to be stopped completely.
Impact on care cover Ability to provide service on a normal working day to other clinical areas or hospitals as required, above the normal work programme.
L1 The subsystem allows dialysis sessions to be carried out on patients from other clinical areas, up to a 100 % increase in normal capacity in a normal working day.
L2 = Good The subsystem allows dialysis sessions to be carried out on patients from other clinical areas, up to a 100 % increase in normal capacity in a normal working day, and up to 50 % of normal capacity outside normal working hours.
L3 The subsystem allows dialysis sessions to be carried out on patients from other clinical areas, up to a 50 % increase over normal capacity outside normal working hours.
L4 = Neutral The subsystem allows dialysis sessions to be carried out on patients from other clinical areas at certain times, up to an increase of 20 % over normal capacity outside normal working hours.
L5 The subsystem does not have the capacity to carry out dialysis sessions on patients not included in the normal programme.