Author | Year | Location | Age | Design | Sample Size | ECD (cells/mm2) |
---|---|---|---|---|---|---|
Rao SK[14] | 2000 | Chennai India | 20–30 y |  | 104 eyes | 2782 ± 250 |
Müller A[15] | 2002 | Glasgow area and central Scotland UK | 5–15 y |  | 119 cases | 3542 ± 510 range 2576–5316 |
Padilla MD[16] | 2004 | Makati Philippines | 20–30 y |  | 114 eyes/ 57 cases | 2949 ± 270 |
Hashemian MN[17] | 2006 | Iran | 20–30 y |  | 102 eyes/ 102 cases | 2407 ± 399 |
Yunliang S[18] | 2007 | Shantou China | 11–20 y |  | 100 eyes | 3308 ± 356 |
Higa A[19] | 2010 | Kumejima Japan | 40–49 y | population-based | 827 eyes/ 827 cases | 3031 ± 359 |
Mohammad-Salih PA[20] | 2011 | Kuantan Malaysia | 20–30 y |  | 49 eyes/ 49 cases | 2783 ± 286 |
Galgauska S[21] | 2013 | Vilnius Lithuania | 20–29 y |  | 55 eyes/ 28 cases | 2931 ± 371 range 2232–3610 |
Arici C[22] | 2014 | Istanbul Turkey | 20–30 y |  | 42 eyes/ 21 cases | 2910.2 ± 365.9 |
Ewete T[23] | 2016 | Nigeria | 20–30 y |  | 81 cases | 2860.70 ± 227.06 |
Islam QU[24] | 2017 | Karachi Pakistan | 12–20 y |  | 84 eyes/ 42 cases | 3021.24 ± 312.24 |
Elbaz U[25] | 2017 | Toronto, Ontario, Canada | 4-5y |  | 24 eyes/ 24 cases | 3746 ± 370 range 3145–5013 |
Abdellah MM[26] | 2019 | Egypt | 20–30 y |  | 89 eyes/ 89 cases | 2933.75 ± 345.92 range 2843.5–2983.7 |
Tananuvat N[27] | 2020 | Chiang Mai Tailand | 11–20 y |  | 72 eyes/ 36 cases | 2944.65 ± 231.95 |
This study | 2021 | Nanjing China | 6.83–7.83 y | population-based | 1171 eye/ 1171 cases | 2875.34 ± 195.00 range 2066–3546 |