Table 2

Regression analysis and correlation coefficients of anterior chamber depth, trabecular-iris angle, AOD250, AOD500, and iris thickness versus postconceptional age and birth weight

	r	r²	p Value	Slope	Intercept
ACDvPCA	0.962	0.925	0.0001	43.911	−212.896
ACD vBW	0.935	0.874	0.0001	0.231	761.709
TIAv PCA	0.892	0.796	0.0001	1.270	−23.28
TIA v BW	0.901	0.811	0.0001	0.007	5.20
AOD250 vPCA	0.879	0.773	0.0001	11.822	−261.873
AOD250 vBW	0.886	0.785	0.0001	0.061	3.455
AOD500v PCA	0.806	0.650	0.0001	15.787	−319
AOD500 vBW	0.833	0.692	0.0001	0.083	30.394
Iris thickness v PCA	0.709	0.503	0.001	5.071	76.174
Iris thicknessv BW	0.737	0.543	0.001	0.027	188.137

PCA = postconceptional age; BW = birth weight; ACD = anterior chamber depth; TIA = trabecular-iris angle; AOD250 = angle opening distance at 250 μm from scleral spur; AOD500 = angle opening distance at 500 μm from scleral spur; iris thickness = thickness at the thickest part of the iris.