Table 2.

DEA efficiency score of ambulance services for hospitals and clinics (n = 76).

DMUs	Technical efficiency			Return to scale	Rank	Peersa
	OTE	PTE	SE
Hospitals
SH01	0.304	0.573	0.531	drs	60	0
SH02	0.411	1	0.411	drs	10	1
JH01	0.353	0.696	0.507	drs	34	0
JH02	0.352	1	0.352	drs	11	0
KH01	0.430	0.854	0.503	drs	22	0
KH02	0.469	1	0.469	drs	6	8
TH01	0.374	0.633	0.591	drs	46	0
TH02	0.231	0.486	0.475	drs	72	0
BH01	0.264	0.604	0.436	drs	53	0
BH02	0.292	0.547	0.534	drs	64	0
RH01	0.478	0.965	0.495	drs	13	0
RH02	0.184	0.298	0.617	irs	75	0
RH03	0.449	1	0.449	drs	9	3
RH04	0.334	0.798	0.418	drs	27	0
Health clinics
SC01	0.548	0.602	0.910	irs	55	0
SC02	0.815	0.979	0.833	irs	12	0
SC03	0.311	0.593	0.524	irs	56	0
SC04	0.753	0.909	0.828	irs	19	0
SC05	0.317	0.678	0.467	irs	37	0
SC06	0.454	0.796	0.570	irs	28	0
SC07	0.598	0.603	0.990	irs	54	0
SC08	0.850	0.964	0.882	irs	14	0
SC09	1	1	1	–	5	12
SC10	0.313	0.611	0.513	irs	51	0
SC11	0.534	0.670	0.796	drs	40	0
SC12	0.928	0.945	0.983	drs	17	0
JC01	0.610	0.674	0.904	drs	38	0
JC02	0.555	0.647	0.857	drs	43	0
JC03	0.419	0.461	0.909	irs	73	0
JC04	0.501	0.558	0.898	irs	63	0
JC05	0.673	0.832	0.809	drs	24	0
JC06	0.433	0.589	0.735	irs	58	0
JC07	0.534	0.669	0.798	irs	41	0
JC08	0.579	0.608	0.952	irs	52	0
JC09	0.511	0.629	0.813	drs	47	0
JC10	0.507	0.621	0.817	irs	49	0
KC01	0.391	0.627	0.623	irs	48	0
KC02	0.435	0.615	0.707	irs	50	0
KC03	0.485	0.545	0.890	irs	65	0
KC04	0.270	0.528	0.510	irs	66	0
KC05	0.282	0.525	0.537	irs	67	0
KC06	0.724	0.864	0.838	irs	21	0
KC07	0.646	0.962	0.672	irs	15	0
KC08	0.217	0.511	0.424	irs	70	0
KC09	0.317	0.641	0.495	irs	44	0
KC10	0.317	0.648	0.489	irs	42	0
KC11	0.902	0.936	0.964	irs	18	0
TC01	0.724	1	0.724	drs	7	8
TC02	0.482	0.563	0.856	irs	62	0
TC03	0.586	0.589	0.994	irs	59	0
TC04	1	1	1	–	3	38
TC05	0.612	0.846	0.723	drs	23	0
TC06	0.523	0.634	0.824	irs	45	0
TC07	0.804	0.807	0.996	irs	26	0
TC08	0.536	0.703	0.764	irs	33	0
TC09	1	1	1	–	2	41
TC10	0.650	0.721	0.901	irs	32	0
BC01	0.719	0.741	0.971	drs	31	0
BC02	0.276	0.506	0.547	irs	71	0
BC03	0.496	0.682	0.727	irs	35	0
BC04	0.466	0.523	0.892	irs	68	0
BC05	0.284	0.795	0.357	irs	29	0
BC06	0.808	0.879	0.918	drs	20	0
BC07	0.611	1	0.611	drs	4	15
BC08	0.310	1	0.310	irs	1	43
BC09	0.821	1	0.821	drs	8	7
RC01	0.622	0.767	0.810	drs	30	0
RC02	0.521	0.679	0.768	drs	36	0
RC03	0.367	0.512	0.717	irs	69	0
RC04	0.466	0.567	0.822	irs	61	0
RC05	0.169	0.446	0.380	irs	74	0
RC06	0.125	0.287	0.435	irs	76	0
RC07	0.672	0.955	0.704	drs	16	0
RC08	0.577	0.674	0.856	drs	39	0
RC09	0.437	0.831	0.526	irs	25	0
RC10	0.314	0.593	0.530	irs	57	0
Minimum	0.125	0.287	0.310
Median	0.483	0.674	0.726
Mean	0.508	0.721	0.700
Maximum	1	1	1
Standard deviation	0.207	0.185	0.200

OTE, overall technical efficiency; PTE, pure technical efficiency; SE, scale efficiency; irs, increasing return to scale; drs, decreasing return to scale.

^aPeer refers to the number of other DMUs being benchmarked against it.