Table 2.
Characteristics of included studies.
| Characteristic | Number of Studies (n = 117 in all)* |
|---|---|
| Setting | |
| Africa | 6 (5%) |
| Asia | 18 (15%) |
| Australia and New Zealand | 10 (9%) |
| Europe | 47 (40%) |
| North America | 35 (30%) |
| South America | 2 (2%) |
| Population | |
| Pediatric only, <18 years | 61 (52%) |
| Adult only, >18 years | 32 (27%) |
| Mixed | 24 (21%) |
| Hearing loss intervention assessed | |
| Hearing screening | 35 (30%) |
| Cochlear implantation | 34 (29%) |
| Hearing aid use | 28 (24%) |
| Vaccination | 22 (19%) |
| Other | 29 (25%) |
| Decision model type | |
| Tree diagram | 72 (62%) |
| Markov state transition | 41 (35%) |
| Other | 8 (7%) |
| Perspective | |
| Healthcare payer | 61 (52%) |
| Societal and modified societal | 46 (39%) |
*Not all categories sum to 117 (or 100%) as some studies may be represented more than once.