Table 5 Parameters of the problem three patients and three sections.

From: Optimization of an appointment scheduling problem for healthcare systems based on the quality of fairness service using whale optimization algorithm and NSGA-II

Patient

Operation

Processing time

\({a}_{ijm}\)

Section 1

Section 2

Section 3

Section 1

Section 2

Section 3

1

1

10

–

–

1

0

0

2

–

9

–

0

1

0

2

1

–

6

–

0

1

0

2

–

–

3

0

0

1

3

1

7

–

–

1

0

0

2

–

–

4

0

0

1

  1. It is assumed that the time of the patient’s arrival occurred at time 0. Of the three patients, patient 3 entered the emergency patient’s entrance. That is, patient 3 has a higher priority (Fairness).
  2. It is also assumed that there is only one person in each department to serve and provide services.
  3. Patients’ weight or preference are considered 2, 3, and 5, respectively.
  4. The rate of decrease in patient satisfaction due to increased hospital stay is set at 0.2.
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