Table 8 Frontier estimation results – inefficiency equation
From: Estimating technical efficiency of Turkish hospitals: implications for hospital reform initiatives
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 | ||