Table 4.

Technical efficiency scores and returns to the scale of the hospitals categorised by location

	CRS technical efficiency	VRS technical efficiency	Scale efficiency	CRS (N (%))	IRS (N (%))	DRS (N (%))
South region hospitals (n=22)
Mean	0.75	0.89	0.83	9 (40.9)	9 (40.9)	4 (18.2)
SD	0.25	0.18	0.23
Min	0.11	0.41	0.22
No full score	4 (18.2%)	13	4
East region hospitals (n=8)
Mean	0.80	0.85	0.90	4 (50)	1 (12.5)	3 (37.5)
SD	0.28	0.21	0.16
Min	0.27	0.50	0.54
No full score	1 (12.5%)	4	1
North region hospitals (n=17)
Mean	0.75	0.84	0.90	7 (41.2)	9 (52.9)	1 (5.9)
SD	0.28	0.23	0.20
Min	0.19	0.30	0.19
No full score	6 (35.3%)	9	6
Central region hospitals (n=24)
Mean	0.83	0.89	0.93	10 (41.7)	11 (45.8)	3 (12.5)
SD	0.18	0.16	0.10
Min	0.49	0.50	0.69
No full score	8 (33.3%)	12	8
West region hospitals (n=20)
Mean	0.68	0.85	0.81	4 (20)	10 (50)	6 (30)
SD	0.20	0.17	0.17
Min	0.37	0.42	0.46
No full score	3 (15%)	9	3

CRS, Constant Returns to Scale; DRS, Decreasing Returns to Scale; IRS, Increasing Returns to Scale; SD, Standard Deviation; VRS, Variable Returns to Scale.