| Distance type |
---|---|
1. | Minimum distance |
2. | Average distance to all hospitals |
3. | Average distance to three closest hospitals |
4. | Average distance to five closest hospitals |
5. | Number of hospitals within 500Â m or 10Â min |
6. | Number of hospitals within 1000Â m or 20Â min |
7. | Number of hospitals within 2000Â m or 30Â min |
8. | Potential gravity model (friction parameter = 1) |
9. | Potential gravity model (friction parameter = 1.5) |
10. | Potential gravity model (friction parameter = 2) |
11. | Two-step floating catchment area (2000Â m or 30Â min) |
12. | Enhanced two-step floating catchment area with a slow step-decay functiona |
13. | Enhanced two-step floating catchment area with a fast step-decay functiona |
14. | Enhanced two-step floating catchment area with a gradient function |