Table 4. Technical, Scale, Allocative, and Cost Efficiencies in Private Hospitals.
| Hospitals (DMUs) | Return to Scale | Technical Efficiency* | Scale Efficiency | Allocative Efficiency | Cost Efficiency |
| 7: Shams | IRS | 0.65 (0) | 0.99 | 0.96 | 0.62 |
| 8: Behbod | CRS | 1.00 (8) | 1.00 | 1.00 | 1.00 |
| 9: Shahryar | IRS | 0.81 (0) | 0.81 | 0.48 | 0.39 |
| 10: Nor Nejat | IRS | 0.40 (0) | 0.40 | 0.75 | 0.30 |
| 11: Shafa | IRS | 0.49 (0) | 0.49 | 0.61 | 0.30 |
| Mean | - | 0.67 | 0.74 | 0.76 | 0.52 |
| Standard Deviation | - | 0.24 | 0.28 | 0.22 | 0.30 |
* Amounts into parentheses show that how many times each hospital has been referenced as a “bench mark”.Technical efficiency scores were obtained based on constant return to scale.