Table 2.
Mean retinal, inner retinal and outer retinal thickness values for CKD stages 1–2, 3, and 4–5
| ETDRS segment | Right eye | Left eye | ||||||
|---|---|---|---|---|---|---|---|---|
| CKD stages 1–2 | CKD stage 3 | CKD stage 4–5 | ANOVA | CKD stages 1–2 | CKD stage 3 | CKD stage 4–5 | ANOVA | |
| Mean thickness μm (SD) | Mean thickness μm (SD) |
Mean thickness μm (SD) | p | Mean thickness μm (SD) | Mean thickness μm (SD) |
Mean thickness μm (SD) | p | |
| Full retinal thickness | ||||||||
| N1 | 342 (17) A | 339 (21) A | 324 (27) B | < 0.001* | 343 (22) A | 341 (26) A | 327 (28) B | 0.004* |
| S1 | 337 (18) A | 336 (20) A | 320 (26) B | < 0.001* | 340 (20) A | 336 (22) A | 321 (28) B | < 0.001* |
| T1 | 326 (17) | 324 (16) | 317 (48) | 0.14 | 328 (19) A | 325 (19) A | 313 (38) B | 0.005* |
| I1 | 336 (17) A | 332 (19) A | 319 (28) B | < 0.001* | 337 (21) A | 333 (19) A | 318 (27) B | < 0.001* |
| Inner Retinal Layer | ||||||||
| N1 | 261 (17) A | 258 (19) A | 244 (26) B | < 0.001* | 262 (21) A | 257 (19) B | 248 (30) B | 0.01* |
| S1 | 257 (17) A | 256 (19) A | 241 (25) B | < 0.001* | 260 (20) A | 255 (19) A | 243 (30) B | 0.001* |
| T1 | 246 (16) | 244 (15) | 238 (48) | 0.19 | 248 (18) A | 245 (18) A | 235 (38) B | 0.01* |
| I1 | 257 (17) A | 253 (18) A | 240 (28) B | < 0.001* | 258 (20) A | 254 (16) A | 241 (27) B | < 0.001* |
| Outer Retinal Layer | ||||||||
| N1 | 81 (3) | 81 (4) | 80 (3) | 0.47 | 81 (3) | 83 (11) | 80 (3) | 0.06 |
| S1 | 80 (3) | 80 (4) | 79 (3) | 0.45 | 80 (3) | 81 (7) | 79 (3) | 0.08 |
| T1 | 80 (3) | 80 (4) | 79 (3) | 0.29 | 80 (3) | 80 (3) | 79 (3) | 0.35 |
| I1 | 79 (3) | 79 (4) | 79 (4) | 0.91 | 79 (3) | 80 (6) | 78 (4) | 0.15 |
ETDRS Early Treatment Diabetic Retinopathy Study, OR Odds ratio, SD Standard deviation, CI Confidence interval, F Fovea, S1 Superior segment 1, N1 Nasal segment 1, I1 Inferior segment 1, T1 Temporal segment 1. A, B and C indicate groups which are significantly different from each other according to SNK test