| Unit | Method | DF | geomean | LowerCL | UpperCL |
| 50 | COA | 109 | 3.98516 | 3.97474 | 3.99558 |
| 50 | NIF | 109 | 3.85551 | 3.83794 | 3.87308 |
| 100 | COA | 84 | 4.64380 | 4.63120 | 4.65639 |
| 100 | NIF | 84 | 4.52663 | 4.50888 | 4.54437 |
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