Table 2.

Comparison of the survival rate of completely immotile ejaculate spermatozoa before and after cryopreservation

Patients	Before cryopreservation			After cryopreservation			Survival index
	No.of sperm (n)	No. of live sperm (n)	Survival rate (%)	No. ofsperm (n)	No. of live sperm (n)	Survival rate (%)
1	230	54	23.48	204	21	10.29	0.45
2	126	30	23.80	115	15	13.04	0.55
3	246	54	21.95	238	38	15.97	0.73
4	213	62	29.11	225	52	23.11	0.79
5	245	84	34.29	229	63	27.51	0.80
6	228	45	19.74	241	29	12.03	0.61
7	236	68	28.81	215	48	22.33	0.78
Total	1524	397	26.05	1467	266	18.13	0.70