Table 2.

Sperm aster formation rates

	Group 1	Group 2
Sample 1	83.3% (10/12)a	22.2% (4/18)b
Sample 2	83.3% (15/18)c	47.1% (8/17)d
Sample 3	72.7% (8/11)e	30.8% (4/13)f
Total	80.5% (33/41)g	33.3% (16/48)h
Control	69.6% (39/56)i

h vs i : p < 0.001

a vs b, c vs d, e vs f, g vs f: p < 0.05

g vs i : nf