Corneal Nerve Parameter Reference Values for Chinese Adults Assessed by Corneal Confocal Microscopy

Table 3

Descriptive statistics for the distribution of corneal nerve fiber parameters in male and female participants.

	Sex	5^th	10^th	25^th	50^th	75^th	90^th	95^th		value
CNFD	Male	16.69	18.75	21.87	27.60	31.25	34.37	38.49		0.007
	Female	18.75	20.21	25.00	29.16	34.37	38.54	42.71
CNBD	Male	16.67	18.75	30.05	39.84	54.55	69.68	77.91		0.049
	Female	18.75	22.71	32.29	45.83	57.81	73.12	78.54
CNFL	Male	12.87	13.60	15.32	17.27	19.51	21.33	22.46		0.006
	Female	13.57	14.59	16.29	18.16	20.60	23.03	23.62

Data are presented as centiles and (standard deviation) for corneal nerve fiber parameters. value refers to the male vs. female group.