Epidemiology factors | Weight | Class interval | Ranks | Degrees of vulnerability |
API 2010 | 12 | <7.7 7.7 - 7.8 7.8 - 7.9 7.9 - 8 >=8 | 1 2 3 4 5 | Very low Low Medium High Very high |
Pf case 2011 | 8 | <2855 2855 - 3596 3596 - 4338 4338 - 5095 >=5095 | 1 2 3 4 5 | Very low Low Medium High Very high |