Table 3.9: Compatibilty of proposed classification of severity with Poisoning Severity Score PSS Proposed class. Non evenomation mild Moaderate Severe or death Total Non evenomation 23 0 0 0 23 Mild 0 34 0 0 34 Moderate 0 3 47 0 50 Severe 0 0 4 32 36 Total 23 37 51 32 143 Kappa = 0, 933 (P<0, 001) Comment: the proposed classification has high compatility with PSS.