Summary of key characteristics of studies included in the review
| Characteristics | Studies (n) | Study reference (see online supplementary table S2) |
|---|---|---|
| Study country | ||
| UK | 2 | 10, 31 |
| Germany | 1 | 6 |
| Netherlands | 3 | 7, 11, 55, |
| Canada | 1 | 13 |
| USA | 47 | 1, 2, 3, 4, 5, 8, 9, 12, 14, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 33, 34, 35, 36, 37, 38, 39, 40, 44, 45, 46, 48, 49, 50, 52, 53, 54, 56, 57, 58, 59, 60, 62, 63, 64 |
| Taiwan | 4 | 15, 32, 43, 51 |
| Japan | 4 | 16, 21, 42, 47 |
| South Korea | 2 | 41, 61 |
| Aspect of centralisation | ||
| Hospital volume | 51 | 1, 2, 3, 4, 6, 8, 9, 12, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26 ,27, 28, 29, 30, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 57, 58, 59, 60, 62, 63, 64 |
| Hospital location | 2 | 11, 31 |
| Healthcare specialisation | 10 | 5, 7, 10, 13, 14, 23, 34, 54, 55, 61 |
| Multidisciplinary care | 1 | 56 |
| Study design | ||
| Decision analytic modelling | 11 | 4, 5, 6, 8, 10, 11, 12, 27, 54, 55, 60 |
| Cohort | 34 | 1, 2, 3, 7, 8, 13, 14, 15, 17, 18, 19, 23, 24, 25, 26, 29, 32, 35, 36, 39, 42, 43, 44, 47, 51, 52, 53, 56, 57, 58, 59, 62, 63, 64, |
| Case control | 2 | 33, 45 |
| Cross-sectional | 15 | 9, 16, 20, 21, 22, 28, 30, 37, 38, 40, 41, 46, 48, 49, 50, |
| Before and after | 3 | 10, 31, 61 |
| Case series | 1 | 34 |
| Economic evaluation type | ||
| Cost utility analysis (CUA) | 10 | 4, 5, 6, 10, 11, 13, 14, 27, 54, 55 |
| Cost-effectiveness analysis (CEA) | 4 | 7, 8, 12, 56 |
| Cost-consequence analysis (CCA) | 50 | 1, 2, 3, 9, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 57, 58, 59, 60, 61, 62, 63, 64 |
| Economic perspective | ||
| Societal | 4 | 7, 8, 12, 54 |
| Societal and health insurance | 1 | 6 |
| Healthcare | 4 | 10, 13, 58, 63 |
| Third-party payer | 3 | 27, 56, 60 |
| Not stated | 52 | 1, 2, 3, 4, 5, 9, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 57, 59, 61, 62, 64 |
| Targeted health services | ||
| Emergency | 14 | 4, 5, 6, 10, 13, 14, 17, 30, 31, 32, 33, 34, 46, 61 |
| Non-emergency | 50 | 1, 2, 3, 7, 8, 9, 11, 12, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 63, 64 |