Table 4: Comparison of endothelial cell density change in primary angle closure and in open-angle glaucoma.

Primary angle closureOpen-angle glaucoma
Preoperative12 monthsDifferencePreoperative12 monthsDifference

ECD (cells/mm2)2274 (463)1964 (613)−3102453 (359)2186 (479)−267
value<0.001<0.001

Data are mean (SD). ECD = endothelial cell density. Data for open-angle glaucoma were obtained from the work of Ianchulev et al. [20].