Table 3 Mean technical efficiency (TE) by the variables used in the analysis
Variable | No. of estimates | Mean TE (± SD) | p-value |
|---|---|---|---|
Method | Â | Â | Â |
SFA | 3 | 0.739 (±0.084) | 0.060 |
DEA | 40 | 0.854 (±0.134) |  |
Orientation | Â | Â | Â |
Input | 41 | 0.843 (±0.137) | 0.885 |
Output | 2 | 0.890 (±0.013) |  |
Estimation | Â | Â | Â |
Pooled | 20 | 0.872 (±0.083) | 0.679 |
Single | 23 | 0.822 (±0.164) |  |
Heterogeneity in location | Â | Â | Â |
Yes | 13 | 0.766 (±0.176) | 0.015 |
No | 30 | 0.880 (±0.095) |  |
Heterogeneity in activity | Â | Â | Â |
Yes | 32 | 0.863 (±0.120) | 0.290 |
No | 11 | 0.797 (±0.165) |  |
Heterogeneity in ownership | Â | Â | Â |
Yes | 10 | 0.901 (±0.066) | 0.307 |
No | 33 | 0.829 (±0.145) |  |
Heterogeneity in type of hospital | Â | Â | Â |
Yes | 26 | 0.863 (±0.131) | 0.109 |
No | 17 | 0.819 (±0.137) |  |
No. of hospitalsa | Â | Â | Â |
≤16 | 23 | 0.892 (±0.073) | 0.070 |
>16 | 20 | 0.793 (±0.167) |  |
No. of input and output variables | Â | Â | Â |
≤6 | 24 | 0.791 (±0.151) | 0.001 |
>6 | 19 | 0.914 (±0.060) |  |
No. of hospitals:No. of variables ratio | Â | Â | Â |
<3 | 26 | 0.894 (±0.071) | 0.017 |
≥3 | 17 | 0.771 (±0.172) |  |
Publication year | Â | Â | Â |
≤2009 | 19 | 0.885 (±0.068) | 0.406 |
>2009 | 24 | 0.815 (±0.164) |  |
Type of publication | Â | Â | Â |
Journal article | 35 | 0.842 (±0.144) | 0.662 |
Other | 8 | 0.861 (±0.082) |  |
Overall | 43 | 0.846 (±0.134) | – |