Personal Charateristics   Number of cases (%) Sex Male 35 (72.9%)   Female 13 (27.1%) Ethinicity Tamil 42, 87.5%),   Muslims 6(12.5%) Age <16yrs 1(2.0%)   16-30 years 40 (83.3%)   31-45years 3 (6.25%)   4-60years 3 (6.25%)   >60years 1 (2.0%)

Table 1: Personal characteristics of patients.