Table 4.
Paired Student’s t-test comparison | |||||||
---|---|---|---|---|---|---|---|
Parameter | Follow-up comparison | Group A | Group B | ||||
Variation | T | p < | Variation | t | p < | ||
MD | 0 vs. 6 months | −0.496 | 12.690 | 0.001 | −0.751 | 12.028 | 0.001 |
6 vs. 12 months | −0.131 | 1.620 | 0.116 | −0.816 | 12.827 | 0.001 | |
12 vs. 18 months | −0.119 | 2.200 | 0.036 | −0.682 | 10.784 | 0.001 | |
18 vs. 24 months | −0.064 | 1.316 | 0.199 | −0.639 | 9.531 | 0.001 | |
RNFL | 0 vs. 6 months | −1.738 | 9.166 | 0.001 | −5.030 | 20.137 | 0.001 |
6 vs. 12 months | −0.741 | 5.680 | 0.001 | −3.362 | 4.920 | 0.001 | |
12 vs. 18 months | −0.276 | 2.692 | 0.012 | −4.476 | 37.065 | 0.001 | |
18 vs. 24 months | −0.144 | 2.468 | 0.020 | −4.676 | 37.439 | 0.001 | |
RNFL Sup | 0 vs. 6 months | −1.594 | 9.114 | 0.001 | −4.500 | 16.430 | 0.001 |
6 vs. 12 months | −0.748 | 5.478 | 0.001 | −4.055 | 28.439 | 0.001 | |
12 vs. 18 months | −0.277 | 2.445 | 0.021 | −4.491 | 35.957 | 0.001 | |
18 vs. 24 months | −1.396 | 2.524 | 0.017 | −4.858 | 52.242 | 0.001 | |
RNFL Inf | 0 vs. 6 months | −1.504 | 11.967 | 0.001 | −4.511 | 25.876 | 0.001 |
6 vs. 12 months | −0.749 | 7.200 | 0.001 | −4.245 | 22.547 | 0.001 | |
12 vs. 18 months | −0.213 | 2.151 | 0.040 | −4.542 | 35.663 | 0.001 | |
18 vs. 24 months | −0.225 | 2.633 | 0.013 | −4.811 | 43.296 | 0.001 | |
RNFL Nas | 0 vs. 6 months | −1.595 | 8.190 | 0.001 | −4.530 | 21.142 | 0.001 |
6 vs. 12 months | −0.815 | 5.591 | 0.001 | −4.160 | 27.324 | 0.001 | |
12 vs. 18 months | −0.176 | 2.215 | 0.035 | −4.273 | 29.209 | 0.001 | |
18 vs. 24 months | −0.252 | 2.510 | 0.018 | −4.865 | 38.397 | 0.001 | |
RNFL Temp | 0 vs. 6 months | −1.843 | 11.391 | 0.001 | −4.538 | 21.436 | 0.001 |
6 vs. 12 months | −0.726 | 5.899 | 0.001 | −3.808 | 19.414 | 0.001 | |
12 vs. 18 months | −0.147 | 0.929 | 0.361 | −4.319 | 24.487 | 0.001 | |
18 vs. 24 months | −0.170 | 2.255 | 0.032 | −4.661 | 52.818 | 0.001 | |
GCC | 0 vs. 6 months | −1.532 | 10.125 | 0.001 | −4.541 | 22.862 | 0.001 |
6 vs. 12 months | −1.058 | 6.648 | 0.001 | −4.552 | 20.706 | 0.001 | |
12 vs. 18 months | −0.162 | 2.290 | 0.029 | −4.472 | 37.441 | 0.001 | |
18 vs. 24 months | −0.146 | 2.579 | 0.015 | −4.928 | 39.883 | 0.001 | |
GCC Sup | 0 vs. 6 months | −1.149 | 7.218 | 0.001 | −3.877 | 14.240 | 0.001 |
6 vs. 12 months | −0.874 | 5.306 | 0.001 | −3.987 | 18.143 | 0.001 | |
12 vs. 18 months | −0.270 | 2.573 | 0.015 | −4.328 | 22.581 | 0.001 | |
18 vs. 24 months | −0.164 | 2.368 | 0.025 | −4.785 | 40.536 | 0.001 | |
GCC Inf | 0 vs. 6 months | −1.329 | 2.467 | 0.020 | −5.268 | 18.620 | 0.001 |
6 vs. 12 months | −1.319 | 3.200 | 0.003 | −5.101 | 11.989 | 0.001 | |
12 vs. 18 months | −0.383 | 2.604 | 0.014 | −4.628 | 25.836 | 0.001 | |
18 vs. 24 months | −0.205 | 1.535 | 0.136 | −5.026 | 31.681 | 0.001 |
Statistical analysis of the differences between evaluated parameters from baseline to 24 months’ follow-up. MD, mean deviation measured with standard automatic perimetry (SAP); RNFL, overall retinal nerve fiber layer thickness; RNFL Sup, superior retinal nerve fiber layer thickness; RNFL Inf, inferior retinal nerve fiber layer thickness; RNFL Nas, nasal retinal nerve fiber layer thickness; RNFL Temp, temporal retinal nerve fiber layer thickness; GCC: overall ganglion cell complex thickness; GCC Sup, superior ganglion cell complex thickness; GCC Inf, inferior ganglion cell complex thickness measured with ocular coherence tomography (OCT). p, Paired Student t-test significance (values < 0.05 in bold; values < 0.005 in bold on gray).