Table 8.

Multiobjective performances of different integrated strategies under the resource flexibility scenario where (w₁, w₂, w₃) = (1, 10, 1/2).

Integrated strategy	Patient selection rule	Solution	Z	Z 1: avg. patient waiting time (min)	Z 2: avg. resource overtime (min)	Z 3: avg. congestion per time unit	Avg. max. resource overtime (min)
(Base scenario) None	FCFS	—	1408	152	122	78	193
Stage I only	FCFS	Best	597	138	44	34	132
Stage I + II	FCFS	Best	508	145	34	37	140
Stage I + II	Eqns. (2) and (3)	First	449	194	20	118	178
		Best	254	140	9	42	109
Stage I + II	CP	First	606	198	34	127	179
		Best	263	146	9	47	109