Table 6.

Statistical Results of Correlations Between Dry Eye Clinical Tests and IVCM Subbasal Parameters in NSDE group

Parameters	age	NIKTMH	NIKBUT	TBUT	Corneal staining	Schirmer test	Meibography
Nerve density
r	−0.001	−0.068	− 0.459	0.097	− 0.357	0.136	0.12554
P	0.996	0.781	0.048*	0.693	0.134	0.579	0.6086
Mean length
r	−0.421	0.270	0.529	0.348	0.331	−0.283	0.23813
P	0.065	0.263	0.020*	0.144	0.167	0.241	0.3262
Max length
r	0.158	0.181	0.001	0.320	0.079	−0.290	0.33177
P	0.506	0.460	0.996	0.182	0.747	0.229	0.1652
Number of nerves
r	0.303	−0.211	−0.668	0.009	−0.462	0.351	−0.07844
P	0.194	0.386	0.002*	0.972	0.046*	0.141	0.7496
Tortuosity
r	0.055	0.302	0.099	0.306	0.195	0.052	−0.02672
P	0.817	0.208	0.688	0.202	0.423	0.833	0.9135

^* P < 0.05

Statistics methods: correlation coefficients (Pearson or Spearman) and age-adjusted partial correlation coefficients (Pearson or Spearman) were calculated