Overall mortality in group I was 9.6% compared to 14.0% in group 2. Mortality for the two groups excluding grade IV, was 4.1% and 10% respectively. At 1 month good outcome was recorded in 86.6% patients in grade I, 69.2% patients in grade II and 42.8% patients in grade III in group 1 [Table III] compared to 68.7% patients in grade I, 80% patients in grade II and 31.5 % patients in grade III in group 2 [Table III]. However none of the differences in Figures was statistically significant.