Intrasession repeatability of ocular anatomical measurements obtained with a multidiagnostic device in healthy eyes

Table 3 Summary of correlations between the different anatomical parameters and their within-subject standard deviation (S_w,) and coefficient of variation (CV) associated

	S_w		CV
	Pearson correlation coefficient	p-value	Pearson correlation coefficient	p-value
ACD (mm)	0.033	0.734	−0.058	0.550
PCT_N3 (μm)	0.024	0.893	−0.082	0.652
PCT_N2 (μm)	−0.125	0.487	−0.220	0.218
PCT_N1 (μm)	0.101	0.577	0.000	0.999
CCT (μm)	0.149	0.127	0.056	0.565
PCT_T1 (μm)	−0.069	0.704	−0.158	0.381
PCT_T2 (μm)	−0.059	0.746	−0.142	0.431
PCT_T3 (μm)	0.000	0.997	−0.100	0.580
IA_N (°)	0.204	0.254	0.122	0.498
IA_T (°)	0.039	0.827	−0.102	0.572
WTW (mm)	−0.109	0.282	−0.154	0.125

Abbreviations: SD standard deviation, CV coefficient of variation, S _w within-subject standard deviation, Pr intrasubject precision: 1.96 x S_w, ICC intraclass correlation coefficient, ACD anterior chamber depth, PCT _N1 , PCT _N2 , and PCT _N3 peripheral corneal thickness at 1, 2 and 3 mm from vertex nasally, PCT _T1 , PCT _T2 , and PCT _T3 peripheral corneal thickness at 1, 2 and 3 mm from vertex temporally, CCT central corneal thickness, IA _N and IA _T nasal and temporal irido-corneal angles, and WTW horizontal white-to-white corneal diameter

ISSN: 1471-2415