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Table 3 Mean technical efficiency (TE) by the variables used in the analysis

From: Frontier-based techniques in measuring hospital efficiency in Iran: a systematic review and meta-regression analysis

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