Table 2.

Relationships of Blood Elements with Central Retinal Arteriole Equivalent and Central Retinal Venule Equivalent.

				Central Retinal Arteriole Equivalent				Central Retinal Venule Equivalent
Blood Element		Sex	Range^a	N^b	Mean^b	SD^b	P value	N^b	Mean^b	SD^b	P value

Hematocrit (%)	Q1	W	16.60–38.90	945	148.40	13.30	<0.001	948	223.79	19.76	<0.001
		M	26.50–42.60
	Q2	W	39.00–40.60	943	149.13	13.74		944	226.51	21.03
		M	42.70–44.40
	Q3	W	40.70–42.10	945	149.22	13.79		943	229.78	20.95
		M	44.50–46.00
	Q4	W	42.20–43.90	952	149.75	13.87		952	232.36	21.41
		M	46.10–47.90
	Q5	W	44.00–49.90	938	151.22	14.16		940	237.32	23.83
		M	48.00–56.30
Platelet count	Q1	W	60.00–243.00	936	149.96	13.14	0.77	936	227.22	20.83	<0.001
(k/µL)		M	47.00–217.00
	Q2	W	244.00–278.00	944	149.11	13.44		944	228.74	21.76
		M	218.00–250.00
	Q3	W	279.00–311.00	954	149.54	14.32		954	229.68	22.37
		M	251.00–279.00
	Q4	W	312.00–354.00	937	149.61	14.14		939	231.38	22.43
		M	280.00–318.00
	Q5	W	355.00–848.00	949	149.52	13.95		951	232.61	21.85
		M	319.00–885.00
Hemoglobin	Q1	W	4.90–12.90	895	148.25	13.54	<0.001	898	223.54	20.05	<0.001
(g/dL)		M	9.00–14.30
	Q2	W	13.00–13.50	992	149.17	13.32		992	227.12	20.76
		M	14.40–15.00
	Q3	W	13.60–14.10	963	149.35	13.92		963	229.54	21.16
		M	15.10–15.50
	Q4	W	14.20–14.70	876	149.86	13.57		875	232.53	21.08
		M	15.60–16.20
	Q5	W	14.80–16.50	997	151.02	14.46		999	236.64	23.92
		M	16.30–18.50
Red blood cell	Q1	W	2.28–4.18	945	149.10	13.56	0.004	949	224.35	19.98	<0.001
count (M/µL)		M	2.88–4.55
	Q2	W	4.19–4.40	953	149.70	13.41		954	227.98	20.76
		M	4.56–4.77
	Q3	W	4.41–4.59	942	148.70	14.53		940	229.63	21.44
		M	4.78–4.97
	Q4	W	4.60–4.79	934	149.22	13.24		935	232.01	22.44
		M	4.98–5.20
	Q5	W	4.80–6.68	949	151.01	14.14		949	235.78	23.24
		M	5.21–6.43
White blood cell	Q1	W	2.20–5.50	914	148.68	12.97	<0.001	913	224.57	19.48	<0.001
count (k/µL)		M	2.50–5.70
	Q2	W	5.60–6.50	946	149.35	13.43		948	227.82	20.91
		M	5.80–6.70
	Q3	W	6.60–7.50	983	148.63	13.69		984	228.62	21.42
		M	6.80–7.60
	Q4	W	7.60–8.80	915	149.41	14.27		915	232.08	21.36
		M	7.70–8.70
	Q5	W	8.90–43.70	964	151.60	14.40		969	236.45	24.25
		M	8.80–24.10

Q = quintile; W = women; M = men; SD = standard deviation.

Range of blood values for women and men included in each quintile.

For women and men combined in each quintile.