Clinical Study

Effects of Laser Peripheral Iridotomy in Subgroups of Primary Angle Closure Based on Iris Insertion

Table 4

Uni- and multivariate linear regression analysis of the association between various parameters and anterior chamber angle narrowing (AOD750) assessed pre-LPI in the BG subjects.

UnivariateMultivariate
SE coefficient (95% CI)-valueSE coefficient (95% CI)-value

ACD, mm0.0480.092 (−0.005, 0.190)0.0630.0870.174 (0.007, 0.333)0.044
LV, mm0.061−0.075 (−0.203, 0.051)0.235
IC, mm0.177−0.141 (−0.497, 0.215)0.430
IA, mm20.053−0.091 (−0.198, 0.017)0.0960.045−0.084 (−0.175, 0.007)0.071
IT750, mm0.1620.050 (−0.277, 0.376)0.761
PD, mm0.018−0.020 (−0.056, 0.016)0.268

Abbreviations: BG: basal insertion group; ACD: anterior chamber depth; IT750: iris thickness from the scleral spur (at 750 m from the scleral spur); IA: cross-sectional area of the iris; IC: iris curvature; LV: lens vault; AOD750: angle opening distances (corneoscleral wall 750 m anterior to the scleral spur); PD: pupillary distance; SE: standard error; CI: confidence interval; LPI: laser peripheral iridotomy.