Table 2 Mean retinal, inner retinal and outer retinal thickness values for CKD stages 1–2, 3, and 4–5

 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*

 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*

 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