Variable Group Study group N= 50 Mean ± SD Control group N= 40 Mean ± SD p-value Statistical significance Age (years) 26.5 ± 8.3 25.5 ± 8.6 0.561 P >0.05(NS) Sex (M/F) 30/20 20/20 0.568 p>0.05(NS) (NS) = non significant.

Table 1: Personal data among the study group and control group