Table 1.

The protein levels of hypoxia factor.

	24 hour	48 hour	t	P
Group A (n = 10)	0.73 ± 0.26	0.12 ± 0.09	6.7846	0.0001
Group B (n = 10)	0.97 ± 0.08	0.52 ± 0.14	7.7607	0.0000
Group C (n = 10)	0.79 ± 0.04	0.37 ± 0.14	13.4526	0.0000
F	6.35	27.63
P	0.0055	0.0000

At 24 and 48 hours after corneal epithelial intervention, the protein levels of hypoxia factor in three groups were: group A < group B < group C, the difference was statistically significant.