Table 3 Blood flow velocities (cm/s) in the central retinal artery among the groups
Parameter | Group 1 (n = 14) | Group 2 (n = 12) | Control (n = 15) | P* |
|---|---|---|---|---|
PSV | ||||
Preoperative | 14.36 ± 2.55 | 13.55 ± 3.51 | 14.05 ± 2.23 | |
Postop 1st week | 15.51 ± 3.59 | 14.92 ± 3.21 | 14.21 ± 2.6 | 0.921 |
Postop 1st month | 14.96 ± 3.35 | 14.18 ± 2.98 | 14.09 ± 1.97 | |
P** (within groups) | 0.402 | 0.761 | 0.670 | |
EDV | ||||
Preoperative | 4.45 ± 1.62 | 4.22 ± 1.45 | 4.96 ± 1.47 | |
Postop 1st week | 4.27 ± 1.03 | 4.33 ± 1.61 | 4.41 ± 1.15 | 0.869 |
Postop 1st month | 4.39 ± 1.15 | 4.13 ± 1.16 | 4.41 ± 1.13 | |
P** (within groups) | 0.898 | 0.643 | 0.199 | |
RI | ||||
Preoperative | 0.71 ± 0.07 | 0.71 ± 0.04 | 0.65 ± 0.07 | |
Postop 1st week | 0.72 ± 0.05 | 0.71 ± 0.06 | 0.68 ± 0.04 | 0.800 |
Postop 1st month | 0.71 ± 0.05 | 0.72 ± 0.04 | 0.69 ± 0.06 | |
P** (within groups) | 0.641 | 0.975 | 0.264 | |
PI | ||||
Preoperative | 1.13 ± 0.21 | 1.15 ± 0.16 | 1.02 ± 0.17 | |
Postop 1st week | 1.19 ± 0.18 | 1.16 ± 0.18 | 1.12 ± 0.12 | 0.830 |
Postop 1st month | 1.16 ± 0.15 | 1.19 ± 0.14 | 1.05 ± 0.15 | |
P** (within groups) | 0.252 | 0.739 | 0.273 | |