Table 2. Comparison of seminal parameters analyzed before and after semen processing through discontinuous density gradient centrifugation.
Isolate (n=41) Before semen processing
Mean ± Std Dev 		After semen processing
Mean ± Std Dev 		P- value *
Concentration (x106/ml) 81.1 ± 52.6 64.8 ± 43.3 0.008457
Motility (%) 58.0 ± 17.7 76.0 ± 17.4 0.000000
Morphology (%)
   normal
   abnormal 		 
29.6 ± 11.2
70.3 ± 11.2 		 
45.3 ± 15.2
54.0 ± 14.6 		 
0.000000
0.000000
Std Dev=standard deviation
* Dependent Student’s t-test with significant difference; P < 0.05