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Table 3 Endothelial cell count before and afyer trabeculectomy and EX-PRESS with or without cataract surgery

From: Changes in corneal endothelial cells after trabeculectomy and EX-PRESS shunt: 2-year follow-up

  Trabeculectomy (cells/mm2) EX-PRESS (cells/mm2)
Combined cataract surgery Trabeculectomy alone Combined cataract surgery EX-PRESS alone
Baseline 2539 ± 264 (n = 29) 2462 ± 281 (n = 35) 2512 ± 329 (n = 22) 2279 ± 415 (n = 28)
6 months 2429 ± 286 (n = 29) 2387 ± 253 (n = 35) 2309 ± 410 (n = 21) 2236 ± 413 (n = 27)
P value < 0.001 0.018 0.034 0.11
12 months 2373 ± 344 (n = 29) 2338 ± 288 (n = 35) 2399 ± 333 (n = 19) 2216 ± 512 (n = 27)
P value < 0.001 0.014 0.10 0.25
18 months 2344 ± 256 (n = 26) 2225 ± 393 (n = 27) 2429 ± 319 (n = 15) 2339 ± 419 (n = 19)
P value < 0.001 0.008 0.29 0.81
24 months 2218 ± 393 (n = 10) 2272 ± 398 (n = 15) 2379 ± 416 (n = 8) 2284 ± 477 (n = 15)
P value 0.016 0.071 0.20 0.92