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Table 2 Central macular thickness (CMT) obtained from 23 eyes that underwent baseline and follow up evaluations on the same OCT device, which allowed a quantitative analysis

From: Real-life outcomes of subthreshold laser therapy for diabetic macular edema

Eye Baseline CMT (µm) Follow up CMT (µm) CMT change (µm) Thickness reduction %
1a 444 354 − 90 20.27
2a 316 327 11 − 3.48
3a 370 306 − 64 17.30
4a 421 263 − 158 37.53
5a 385 503 118 − 30.65
6a 264 259 − 5 1.89
7a 142 161 19 − 13.38
8a 360 393 33 − 9.17
9a 480 492 12 − 2.50
10a 322 287 − 35 10.87
11a 228 184 − 44 19.30
12b 532 348 − 184 34.59
13b 362 315 − 47 12.98
14b 520 494 − 26 5.00
15b 508 535 27 − 5.31
16b 279 258 − 21 7.53
17b 373 296 − 77 20.64
18b 285 563 278 − 97.54
19b 323 256 − 67 20.74
20b 314 515 201 − 64.01
21b 392 259 − 133 33.93
22b 439 430 − 9 2.05
23b 469 607 138 − 29.42
Mean ± SD 370.8 ± 98.4 365.4 ± 127 − 5.4 1.46
  1. Italic values indicate eyes that had CMT reduction greater than 10% of basal CMT with laser monotherapy. The mean reduction in CMT was not statistically significant (p = 0.815)
  2. a Baseline and follow up OCT exams performed on the Avanti RTVue device
  3. b Baseline and follow up OCT exams performed on the Triton Topcon device