Variable | N | Mean | %Â Change vs. baseline | Mean change vs. baseline | P value |
---|---|---|---|---|---|
VF-MD (dB) | |||||
 Preoperative | 58 | − 5.9 ± 6.6 |  |  |  |
 POY1 | 52 | − 4.1 ± 5.8 | − 30.5 | 1.8 | 0.092 |
 POY2 | 46 | − 4.7 ± 6.0 | − 20.3 | 1.2 | 0.130 |
 POY3 | 47 | − 6.3 ± 6.5 | 6.8 | − 0.4 | 0.227 |
 POY4 | 46 | − 5.8 ± 6.3 | − 1.7 | 0.1 | 0.953 |
 POY5 | 45 | − 5.5 ± 6.4 | − 6.8 | 0.4 | 0.634 |
 POY6 | 44 | − 7.0 ± 7.1 | 18.6 | − 1.1 | 0.027* |
 POY7 | 45 | − 6.6 ± 7.3 | 11.9 | − 0.7 | 0.043* |
 POY8 | 57 | − 8.0 ± 7.8 | 35.6 | − 2.1 |  < 0.001** |
CDR | |||||
 Preoperative | 42 | 0.71 ± 0.16 |  |  |  |
 POY1 | 45 | 0.71 ± 0.16 | 0.0 | 0.00 | 0.751 |
 POY2 | 52 | 0.70 ± 0.17 | − 1.4 | − 0.01 | 0.203 |
 POY3 | 49 | 0.70 ± 0.17 | − 1.4 | − 0.01 | 0.322 |
 POY4 | 48 | 0.70 ± 0.16 | − 1.4 | − 0.01 | 0.310 |
 POY5 | 48 | 0.70 ± 0.16 | − 1.4 | − 0.01 | 0.187 |
 POY6 | 47 | 0.71 ± 0.16 | 0.0 | 0.00 | 0.830 |
 POY7 | 45 | 0.71 ± 0.15 | 0.0 | 0.00 | 0.782 |
 POY8 | 53 | 0.70 ± 0.16 | − 1.4 | − 0.01 | 0.176 |
RNFL thickness (μm) | |||||
 Preoperative | 14 | 70.5 ± 13.7 |  |  |  |
 POY1 | 19 | 71.7 ± 11.3 | 1.7 | 1.2 | 0.613 |
 POY2 | 35 | 74.4 ± 13.5 | 5.5 | 3.9 | 0.205 |
 POY3 | 36 | 74.7 ± 12.6 | 6.0 | 4.2 | 0.214 |
 POY4 | 39 | 74.8 ± 11.3 | 6.1 | 4.3 | 0.192 |
 POY5 | 42 | 74.7 ± 12.0 | 6.0 | 4.2 | 0.222 |
 POY6 | 41 | 74.6 ± 12.6 | 5.8 | 4.1 | 0.230 |
 POY7 | 40 | 75.2 ± 12.2 | 6.7 | 4.7 | 0.181 |
 POY8 | 49 | 74.3 ± 11.9 | 5.4 | 3.8 | 0.228 |
GC-IPL thickness (μm) | |||||
 Preoperative | 14 | 64.4 ± 12.9 |  |  |  |
 POY1 | 19 | 65.7 ± 11.2 | 2.0 | 1.3 | 0.623 |
 POY2 | 34 | 65.6 ± 13.1 | 1.9 | 1.2 | 0.674 |
 POY3 | 36 | 64.2 ± 11.9 | − 0.3 | − 0.2 | 0.962 |
 POY4 | 39 | 67.4 ± 11.2 | 4.7 | 3.0 | 0.337 |
 POY5 | 42 | 65.5 ± 11.5 | 1.7 | 1.1 | 0.679 |
 POY6 | 41 | 64.2 ± 12.5 | − 0.3 | − 0.2 | 0.966 |
 POY7 | 40 | 65.1 ± 11.4 | 1.1 | 0.7 | 0.752 |
 POY8 | 48 | 63.8 ± 10.9 | − 0.9 | − 0.6 | 0.857 |