Table 3.
Estimated changes in the individual retinal layer thickness [μm] in the central subfield and the inner ring analysed over 3 months adjusted for patient age, best corrected visual acuity, lens status of the fellow eye (phakic and pseudophakic) and duration of surgery.
| retinal layers | ETDRS grid | Baseline values of the mean thickness [μm] ± standard deviation |
p-value | |||
|---|---|---|---|---|---|---|
| Preoperative n = 40 | day 1 postoperative n = 30 | month 1 postoperative n = 41 |
month 3 postoperative n = 35 |
|||
| RNFL | central subfield | 13.90± 2.79 |
13.53± 2.78 |
13.80± 2.96 |
13.17± 2.92 |
0.3463 |
| inner ring | 21.46± 2.23 |
21.28± 2.03 |
23.22± 3.22 |
22.51± 2.90 |
<0.0001 | |
| GCL | central subfield | 15.33± 3.81 |
14.53± 3.09 |
16.27± 4.77 |
15.66± 4.24 |
0.0635 |
| inner ring | 46.76± 5.34 |
46.28± 6.17 |
50.45± 6.13 |
49.56± 6.01 |
<0.0001 | |
| IPL | central subfield | 20.41± 3.75 |
19.97± 4.80 |
22.56± 4.62 |
21.80± 4.11 |
<0.0001 |
| inner ring | 38.74± 4.14 |
38.53± 4.21 |
41.73± 4.45 |
41.02± 4.03 |
<0.0001 | |
| RNFL-GCL-IPL Complex | central subfield | 49.56± 9.20 |
48.03± 9.38 |
52.63± 11.46 |
50.63± 10.42 |
0.0188 |
| inner ring | 106.92 ± 10.32 | 106.08 ± 11.13 | 115.40 ± 12.45 | 113.09 ± 11.87 | <0.0001 | |
| INL | central subfield | 21.90± 6.37 |
21.23± 6.37 |
24.22± 7.84 |
23.14± 7.16 |
0.0294 |
| inner ring | 40.06± 4.39 |
39.43± 4.71 |
42.11± 5.01 |
40.67± 4.08 |
<0.0001 | |
| OPL | central subfield | 27.44± 7.46 |
26.57± 7.62 |
26.61± 7.56 |
24.86± 6.22 |
0.0341 |
| inner ring | 34.44± 5.10 |
33.43± 5.07 |
32.89± 5.02 |
32.68± 4.90 |
0.0268 | |
| INL-OPL Complex | central subfield | 49.33 ± 11.07 | 47.80± 12.35 |
50.83± 12.84 |
48.00± 11.05 |
0.0144 |
| inner ring | 74.51± 7.37 |
72.86± 7.43 |
75.00± 7.74 |
73.35± 6.68 |
0.0676 | |
| ONL | central subfield | 94.23 ± 11.19 | 91.63± 12.34 |
102.76 ± 18.11 | 101.03 ± 14.21 | <0.0001 |
| inner ring | 69.26± 6.92 |
70.04± 7.79 |
77.51± 11.38 |
75.44± 10.59 |
<0.0001 | |
| IRL | central subfield | 191.05 ± 19.06 | 184.53 ± 19.54 | 204.56 ± 30.74 | 197.71 ± 23.03 | <0.0001 |
| inner ring | 250.79± 16.57 |
249.03± 17.29 |
267.91 ± 22.49 | 261.76 ± 18.56 | <0.0001 | |
| TR | central subfield | 278.18 ± 18.84 | 270.57 ± 18.62 | 292.51 ± 32.08 | 284.71 ± 23.78 | <0.0001 |
| inner ring | 331.53± 17.33 |
328.4± 18.47 |
348.76± 23.11 |
342.49 ± 19.08 | <0.0001 | |
Legend: RNFL = Retinal Nerve Fiber Layer; GCL = Ganglion Cell Layer; IPL = Inner Plexiform Layer; RNFL-GCL-IPL Complex = RNFL + GCL + IPL combined; INL =Inner Nuclear Layer; OPL = Outer Plexiform Layer; INL-OPL Complex = INL + OPL combined; ONL =Outer Nuclear Layer; IRL = Inner Retinal Layer; TR = Total Retina; Bold: Disparity is statistically significant (p < 0.05).