Table 4 Literature review of studies of corneal endothelial morphology and corneal thickness among various populations
From: Corneal thickness and endothelial morphology in Normal Thai eyes
Study | Population | N (eyes/cases) | Mean Age (range), years | Machines | Mean ECD (cell/mm) | Cell loss rate (%/year) | Correlation: ECD and Age | Mean CCT (μm) | Correlation: CCT and Age | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
r | p value | r | p value | ||||||||
Rao et al. 2000 [10] | Indian | 1074/537 | 48 ± 16.5 (20–87) | Konan SP8000, USP(for CCT) | 2525 ± 3 37 | 0.3 | −0.387 | < 0.001 | 533 ± 50* | – | – |
Padilla et al. 2004 [11] | Filipino | 640/360 | 53 ± 17 (20–86) | Konan P9000 | 2798 ± 307 | – | −0.21 | NA | – | – | – |
Hashemian et al. 2006 [12] | Iranian | 525/525 Only OD | 52.7 ± 19.1 (20–80) | Topcon SP2000 | 1961 ± 457 | 0.6 | −0.64 | < 0.001 | – | – | – |
Yunliang et al. 2007 [13] | Chinese | 1329/700 | 44 ± 21 (10–98) | Konan SP9000 | 2932 ± 363 | 0.3 | −0.435 | 0.001 | – | – | – |
Niederer et al. 2007 [14] | New Zealand | 85/NA | 38 ± 16 (18–87) | HRT II Rostock Corneal Module | 2720 ± 367 | 0.5 | −0.615 | < 0.001 | 555 ± 31 | 0.148 | 0.176 |
Higa et al. 2010 [15] | Japanese | 3762/4714 | 59.1 ± 14.9 (> 40) | Topcon SP2000 | 2943 ± 387 | 0.25 | − 0.34 | < 0.001 | NA | – | – |
Mohammad-Salih et al. 2011 [16] | Malay | 125/125 | 45.8 ± 20.7 (20–87) | Topcon SP3000 | 2648 ± 310 | – | − 0.300 | 0.001 | – | – | – |
Galgauska et al. 2013 [17] | Lithuania | 358/211 | NA (20–89) | Konan SP9000 | 2931 ± 371 ** to 2222 ± 182 *** | – | −0.650 | 0.01 | 563 ± 44* to 540 ± 35** | −0.156 | 0.01 |
Arici et al. 2014 [18] | Turkish | 252/126 | 44.3 ± 13.5 (20–70) | Topcon SP3000 | 2732 ± 305 | 1.9–5.9 | −0.388 | < 0.001 | 521 ± 33 | − 0.241 | < 0.001 |
Ewete et al. 2016 [19] | Nigerian | 359/201 | 50.35 ± 20.13 (20–93) | Konan SP9000 | 2610 ± 371 | – | −0.318 | < 0.001 | – | – | – |
Abdellah et al. 2019 [20] | Egyptian | 568/568 | 49 ± 15.2 (20–85) | Topcon SP-IP | 2647 ± 387 | 0.3 | −0.357 | < 0.001 | 514 ± 43 | − 0.133 | 0.007 |
This study | Thai | 1002/501 Only OD | 43.12 ± 18.80 (11–88) | Tomey EM4000 | 2732 ± 258 | 0.225 | −0.484 | < 0.001 | 533 ± 33 | − 0.212 | < 0.001 |