Description | Base case estimate | Sensitivity values | ||
---|---|---|---|---|
Low | High | Source(s)/justification | ||
Starting age | 6 months | Teeth erupting age | ||
Model duration | 5.5 years | Age of deciduous dentition | ||
Cycle length | 6 months | |||
Discount rate (costs/effects, %) | 5 | 0 | 7 | |
Unit costs (£2012) | ||||
Telephone interview (2 years) | 53 | 49 | 58 | Prevention programme data |
General anaesthesia | 1707 | 810 | 2430 | Seow et al12 |
Restoration | 104 | 92 | 167 | ADA schedule of fees27 |
Crowns | 275 | 264 | 288 | ADA schedule of fees27 |
Extraction | 169 | 162 | 178 | ADA schedule of fees27 |
Medication (mean cost of amoxicillin and paracetamol) | 9 | 8 | 12 | PBS code 3302T/3348F28 |
Probabilities (6 monthly) | ||||
Incidence of caries in TI | 0.0108 | 0.003 | 0.017 | Prevention programme data n=185 |
Incidence of caries in UC | 0.0547 | 0.04 | 0.07 | Prevention programme data n=40 |
New patient is treated within 6 months | 0.79 | 0.76 | 0.82 | Logan clinic data |
Treatment by restoration (not extracted) | 0.57 | 0.53 | 0.61 | Logan clinic data |
For restorations, proportion of filling only (no crowns) | 0.74 | 0.70 | 0.78 | Logan clinic data |
ADA, Australian Dental Association; PBS, pharmaceutical benefit scheme item codes for amoxicillin and paracetamol paediatric preparation; TI, telephone intervention; UC, Usual care.