Table 3.6: Rate of systematic signs & symptoms of cobra species Systematic signs, symptoms Cobra species (n,%) P N atra (n=122) N kaouthia (n=20) Nauea, vomittng 22 (18, 0) 9 (45, 0) <0, 05 Abdominal pa in 14 (11, 5) 6 (30, 0) <0, 05 Diarrhea 13 (10, 7) 5 (25, 0) >0, 05 Generalized pain 15 (12, 3) 4 (20, 0) >0, 05 Ptosis 4 (3, 3) 3 (15, 0) >0, 05 Difficult speech 6 (4, 9) 2 (10, 0) >0, 05 Pharyngeal paralysis 4 (3, 3) 2 (10, 0) >0, 05 Intercostal, diaphramic paralysis 4 (3, 3) 2 (10, 0) >0, 05 Limb paralysis 4 (3, 3) 1 (5, 0) >0, 05 Respiratory failure (due to paralysis) 4 (3, 3) 2 (10, 0) >0, 05 Dilated pupils 0 (0) 0 (0) >0, 05 Sinus tachycardia 24 (19, 7) 5 (25, 0) >0, 05 Note: data are presented as n (%) Patient bitten by N sumatrana: nausea, vomitting, abdominal pain, generalized pain but no diarrhea, no paralysis, normal pupils and heart rate.