Table 1.
Expected values and distribution parameters for the deterministic model and probabilistic sensitivity analyses
| Parameter | Expected value±SE | Distribution |
|---|---|---|
| Study population20 | 28 252±10% | γ |
| Cost per B12 tablet | $C0.16±0.008 | γ |
| Professional fee for dispensing tablets21 | $C11.93 | – |
| Cost per B12 injectable dose21–23 | $C0.75 | – |
| Cost for CBC and serum B12 analyses* | $C6.50 | – |
| Laboratory technician time for blood sample draw and analyses (hours)* | 0.75 (range 0.25–1) | Triangular |
| Laboratory technician wage and benefits24* | $C44.60 (range $C35.82–$C51.41) | Triangular |
| Fee for administration of intramuscular injection in a physician's office26 | $C10.30 | – |
| Cost for physician consultation visit26 | $C35.91 | – |
| Fee for administration of intramuscular injection in a pharmacy27 | $C20.00 | – |
Normal distribution sample values probabilistically from a normal curve with specified mean (expected value) and SD. Triangular distribution sample values probabilistically within the range specified, with increasing probability as values near the expected value.
*Indicates parameter only included in year 1 of the model.
CBC, complete blood count.