Table 8.

Frontier estimation results – inefficiency equation

Inefficiency term model	Coef.	Std. Error	Z	P > z	95% Conf. Interval
Hospital type (reference = MoH General Hospitals)
MoH Integrated County	−0.3087	1.0999	−0.2800	0.7790	−2.4644	1.8471
MoH Teaching	−10.2968	6.2776	−1.6400	0.1010	−22.6007	2.0070
Private General	5.7161	1.5593	3.6700	0.0000	2.6598	8.7723
Private University	5.3802	1.7796	3.0200	0.0030	1.8923	8.8682
Public University	1.9877	1.3731	1.4500	0.1480	−0.7036	4.6790
Provincial per capita income (reference = less than $5000)
$ 5001–10,000	1.1581	1.4513	0.8000	0.4250	−1.6864	4.0026
$ 10,001–15,000	0.1728	1.0065	0.1700	0.8640	−1.7999	2.1455
$ 15,001–20,000	0.2287	1.1706	0.2000	0.8450	−2.0657	2.5231
Over $20,000	0.7793	1.2776	0.6100	0.5420	−1.7247	3.2834
Regions (reference = Istanbul)
West Marmara	0.0169	0.8593	0.0200	0.9840	−1.6673	1.7010
Aegean	0.3144	0.7433	0.4200	0.6720	−1.1424	1.7712
East Marmara	0.9828	0.7174	1.3700	0.1710	−0.4232	2.3888
West Anatolia	1.3406	0.6433	2.0800	0.0370	0.0798	2.6014
Mediterranean	−0.5174	0.6444	−0.8000	0.4220	−1.7805	0.7456
Central Anatolia	1.5293	0.9611	1.5900	0.1120	−0.3543	3.4130
West Black Sea	−0.0208	1.0204	−0.0200	0.9840	−2.0209	1.9792
East Black Sea	−2.3229	1.7857	−1.3000	0.1930	−5.8228	1.1770
North East Anatolia	−0.2497	1.7456	−0.1400	0.8860	−3.6711	3.1717
Central East Anatolia	2.2611	1.0253	2.2100	0.0270	0.2515	4.2708
South East Anatolia	0.0522	1.3654	0.0400	0.9690	−2.6240	2.7284
Constant	−7.2108	2.6058	−2.7700	0.0060	−12.3182	−2.1035
$\mathit{ln}\left({\sigma }_v^2\right)$	1.0157	0.2782	3.6500	0.0000	0.4704	1.5610
exp(γ)/[exp(γ) + 1]	3.6915	0.2975	12.4100	0.0000	3.1085	4.2745
${\sigma }_S^2={\sigma }_v^2+{\sigma }_v^2$	2.7613	0.7683			1.6006	4.7638
$\gamma ={\sigma }_u^2/{\sigma }_v^2$	0.9757	0.0071			0.9572	0.9863
${\sigma }_u^2$	2.6942	0.7672			1.1905	4.1978
${\sigma }_v^2$	0.0672	0.0086			0.0503	0.0840