Table 4.

Comparison of the mean rank of the follicular hormone levels of the dye exposed workers with the control in various age categories

Age category (years)	Sex Hormones	Mean Rank		Z-value	P-value
		Exposed	Unexposed
≤20		(n=8)	(n=8)
	LH (IU/L)	9.31	7.69	0.69	0.49
	FSH (IU/L)	5.50	11.50	2.53	0.01*
	Prolactin (mIU/L)	9.94	7.06	1.23	0.22
	Progesterone nmol/L	9.44	7.56	0.80	0.43
	Estradiol nmol/L	7.56	9.44	0.79	0.43
21-30		n=13	n=19
	LH (IU/L)	17.38	15.89	0.44	0.66
	FSH (IU/L)	13.42	18.61	1.54	0.12
	Prolactin (mIU/L)	15.54	17.16	0.49	0.93
	Progesterone nmol/L	19.38	14.53	1.44	0.15
	Estradiol nmol/L	19.23	13.67	1.68	0.54
31-40		n=10	n=18
	LH (IU/L)	15.85	13.75	0.65	0.52
	FSH (IU/L)	12.75	15.47	0.84	0.40
	Prolactin (mIU/L)	16.15	13.58	0.80	0.43
	Progesterone nmol/L	13.85	14.86	0.31	0.76
	Estradiol nmol/L	19.20	11.89	2.25	0.02*
≥41		n=2	n=12
	LH (IU/L)	7.00	6.40	0.22	0.83
	FSH (IU/L)	7.50	6.30	0.43	0.67
	Prolactin (mIU/L)	2.25	7.35	1.86	0.06
	Progesterone nmol/L	10.75	5.65	1.84	0.07
	Estradiol nmol/L	5.00	6.80	0.65	0.52

LH= luteinizing hormone, FSH =Follicle stimulating hormone; n =number of subjects used; p= probability; Z-test statistics; *Statistically significant value; P≤0.05 is significant.