. Author manuscript; available in PMC: 2021 Mar 1.

Published in final edited form as: Ophthalmol Glaucoma. 2019 Dec 27;3(2):130–138. doi: 10.1016/j.ogla.2019.12.005

Table 1.

Statistical measures of correlation between mean and sectoral variation of ACA width in eyes below or above parameter-specific change points.

Parameter	Change-point	Measurement ≤ Change point				Measurement > Change point
Parameter	Change-point	Rho	P value	Eyes (N)	PACD (N)	Rho	P value	Eyes (N)	PACD (N)
AOD500	0.099 mm	0.599	< 0.001	138	133	0.321	< 0.001	536	204
AOD750	0.167 mm	0.246	< 0.001	198	188	0.55	< 0.001	476	149
TISA500	0.039 mm²	0.734	< 0.001	103	96	0.122	0.004	571	241
TISA750	0.068 mm²	0.664	< 0.001	93	90	0.275	< 0.001	581	247
SSA500	10.113°	0.661	< 0.001	108	103	−0.036	0.389	566	234
SSA750	13.556°	0.294	0.001	133	127	0.313	< 0.001	541	210

AOD = angle opening distance; TISA = trabecular iris space area; SSA = scleral spur angle. 500 or 750 denotes distance in μm from the scleral spur.

Boldface values indicate statistical significance of Spearman correlation coefficient at P < 0.05.