. 2013 Feb 24;30(4):593–599. doi: 10.1007/s10815-013-9961-9

Table 5.

The mean ± SEM percentage of halo formation rate and the mean halo diameter (μm) before varicocelectomy versus 3 and 6 month after varicocelectomy following supplement therapy in the different randomized trial groups

Groups	n	Halo formation rate (%)			Halo diameter (μm)
Groups	n	Before	3 month	6 month	Before	3 month	6 month
ZF	29	29.7 ± 3.2^a	49.2 ± 3.2^b	57.3 ± 3.2^b	5.9 ± 1.7^a	4.7 ± 0.2^a	5.3 ± 0.3^a
FA	26	31.0 ± 3.5^a	50.8 ± 4.4^b	54.1 ± 3.5^b	4.0 ± 0.2^a	5.0 ± 0.3^a	4.7 ± 0.1^a
ZS	32	23.1 ± 3.5^a	43.3 ± 3.5^b	42.5 ± 3.5^b	4.1 ± 0.3^a	4.3 ± 0.2^a	4.6 ± 0.2^a
PL	25	29.3 ± 4.0^a	32.1 ± 4.0^a	39.6 ± 4.0^a	3.4 ± 0.2^a	3.5 ± 0.3^a	4.2 ± 0.2^a

In each row the values with different superscripts are significantly different (P < 0.05). ZF zinc sulfate and folic acid; FA folic acid; ZS zinc sulfate; PL placebo