| Per instrument decontamination time, s | 4.02 | 1.07-13.64 | Stockert and colleagues7 |
| Per instrument packing time, s | 17.5 | 7.6-31.6 | Analysis of local hospital data on tray packing times |
| Per second cost of personnel time, $ | 0.006 | 0.0058-0.0061 | Derived from hospital human resources data by dividing hourly wages by 3600 |
| Per instrument cost of depreciation, $ | 0.06 | 0.02-0.18 | Derived from Stockert and colleagues;7 purchasing power parities for health9 |
| Per instrument indirect cost, $ | 0.23 | NA | Derived from Stockert and colleagues;7 purchasing power parities for health9 |