Clinical Study

Prospective Randomized Study Comparing Combined Phaco-ExPress and Phacotrabeculectomy in Open Angle Glaucoma Treatment: 12-Month Follow-Up

Table 5

Corneal epithelial cells density CD, : mean values, median values, standard deviations, and range in the P-ExPress and P-Trab groups at specific times after surgery.

ParameterP-ExPress groupP-Trab group
Mean (SD)MedianRangeMean (SD)MedianRange

2089.3 ± 421.621351784–23741985.7 ± 545.520591537–24500.370
1574.8 ± 479.215911178–18661594.3 ± 499.716531155–20090.883
21.4 ± 16.718.48.84–31.3819.7 ± 14.1178.18 ± 26.90.677
1355.8 ± 434.71389894–17141551.5 ± 481.815431073–19280.047
36.2 ± 20.734.519.47–48.5 21.7 ± 12.320.112.75–28.80.008
1337.2 ± 496.414301053–17211427.6 ± 508.91310961–19380.691
37.4 ± 19.236.122.67–48.223.2 ± 14.122.616.01–27.60.049

P-ExPress: phaco-ExPress group; P-Trab: phacotrabeculectomy group; SD: standard deviation; CD: epithelial cells density; : epithelial cells density loss %, Mann-Whitney test.