Table 3.

Associations of Corneal Epithelial Thickness with Race and Age

	Race			Age
Epithelium Measurements	White Mean (SE)	Non-White Mean (SE)	P-value	Regression Coefficient (SE)	P-value
Central 3mm	52.5(1.4)	53.4(1.5)	0.64	0.99(0.07)	0.86
Superior 3–5mm	49.5(1.6)	51.2(1.0)	0.40	0.95(0.06)	0.37
Superior 5–7mm	45.2(1.9)	48.6(1.5)	0.28	0.90(0.08)	0.37
Superior 7–9mm	43.6(2.3)	46.4(1.7)	0.39	0.93(0.10)	0.54
Temporal 3–5mm	50.4(1.8)	52.6(1.6)	0.37	1.04(0.09)	0.63
Temporal 5–7mm	48.3(1.5)	51.8(1.0)	0.13	1.01(0.09)	0.95
Temporal 7–9mm	46.1(1.7)	52.4(1.3)	0.08	0.96(0.12)	0.80
Inferior 3–5mm	53.8(1.4)	53.4(2.4)	0.89	0.98(0.09)	0.84
Inferior 5–7mm	52.7(1.7)	51.6(2.1)	0.70	0.97(0.10)	0.76
Inferior 7–9mm	50.3(1.7)	49.6(2.1)	0.81	0.997(0.07)	0.97
Nasal 3–5mm	52.3(1.5)	52.6(1.8)	0.91	0.92(0.07)	0.16
Nasal 5–7mm	51.0(1.5)	54.6(1.6)	0.16	0.91(0.07)	0.23
Nasal 7–9mm	51.3(2.0)	56.6(0.7)	0.10	0.89(0.10)	0.37
Superior average	47.2(1.7)	49.8(0.6)	0.25	0.92(0.07)	0.33
Inferior average	53.2(1.6)	52.4(2.1)	0.77	0.97(0.09)	0.76
Max	58.1(1.9)	59.0(2.0)	0.74	0.90(0.11)	0.25
Min	38.5(2.9)	42.0(3.8)	0.52	0.96(0.18)	0.83
MSD	4.0(0.5)	2.8(0.8)	0.32	0.99(0.05)	0.81

Abbreviations: SE, standard error; MSD, mean standard deviation.