| Variables | Estimation Method |
| AP | (annual number of inpatients) + {(outpatient revenue) × (annual number of outpatients)/(inpatient revenue)} |
| TC | (medical cost) +(non medical cost) |
| ND | (medical specialists) + (general practitioners) + (dentists) + (oriental doctors) + (interns) + (residents) |
| NN | (nurses) + (nurses’ aides) |
| Capital Stock (TFA) | {(land) + (buildings) + (land improvements) + (machinery) + (delivery equipment or vehicles) + (medical equipment) + (equipment) + (construction in progress)}− (accumulated amount of depreciation) |