Table 1.

Comparison of clinical data between the two groups [n (%), (x̅±s)]

	n	Gender		Age (year)	Course of disease (day)	Affected eye
		Male	Female			Left (n)	Right (n)
Observation	54	29	25	58.78±6.33	5.36±0.87	21	33
Control	54	30	24	58.20±6.42	5.40±0.80	22	32
x2/t		0.038		0.473	0.249	0.039
P		0.847		0.637	0.804	0.844