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.
Parameter
P-ExPress group
P-Trab group
Mean (SD)
Median
Range
Mean (SD)
Median
Range
2089.3 ± 421.6
2135
1784–2374
1985.7 ± 545.5
2059
1537–2450
0.370
1574.8 ± 479.2
1591
1178–1866
1594.3 ± 499.7
1653
1155–2009
0.883
21.4 ± 16.7
18.4
8.84–31.38
19.7 ± 14.1
17
8.18 ± 26.9
0.677
1355.8 ± 434.7
1389
894–1714
1551.5 ± 481.8
1543
1073–1928
0.047
36.2 ± 20.7
34.5
19.47–48.5
21.7 ± 12.3
20.1
12.75–28.8
0.008
1337.2 ± 496.4
1430
1053–1721
1427.6 ± 508.9
1310
961–1938
0.691
37.4 ± 19.2
36.1
22.67–48.2
23.2 ± 14.1
22.6
16.01–27.6
0.049
P-ExPress: phaco-ExPress group; P-Trab: phacotrabeculectomy group; SD: standard deviation; CD: epithelial cells density; : epithelial cells density loss %, Mann-Whitney test.