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Table 4 Prevalence of diabetic macular edema among diabetic subjects

From: Epidemiology of diabetic retinopathy, diabetic macular edema and related vision loss

Author (Year) Type of study Location Type of diabetes Prevalence (%) Definition of macular edema
Yau (2012) [3] Meta-analysis Global Overall 7.48 DME and/or CSME
Type 1 14.25 DME and/or CSME
Type 2 5.57 DME and/or CSME
Xie (2008) [214] Population China Unspecified 4 CSME
Jee (2013) [20] Population South Korea Type 2 2.8 DME
1.4 CSME
Wong (2008) [39] Population Singapore Type 2 5.7 DME
3.0 CSME
Zheng (2012) [24] Population Singapore Type 2 7.2 DME
4.5 CSME
Raman (2009) [21] Population India Unspecified 1.4 CSME
Thapa (2014) [32] Hospital Nepal Unspecified 5.78 CSME
Al-Rubeaan (2015) [64] Population (Registry) Saudi Arabia Type 2 5.7 DME
Al Ghamdi (2012) [26] Population Saudi Arabia Unspecified 20.3 Scottish DR Grading M1
15.9 Scottish DR Grading M2 (M2 equivalent to DME)
Papakonstantinou (2015) [27] Population Iran Type 2 4.7 CSME
Thomas (2015) [10] Population United Kingdom Type 1 4.2 DME
Type 2 1.4 DME
Pugliese (2012) [65] Hospital Italy Type 2 1.3 DME
Pedro (2010) [11] Population Spain Type 1 5.73 CSME
Type 2 6.44 CSME
Dutra Medeiros (2015) [66] Population Portugal Type 2 1.4 DME
Bertelsen (2013) [13] Population Norway Types 1 and 2 3.9 DME
Knudsen (2006) [14] Population Denmark Type 1 7.9 CSME
Type 2 12.8 CSME
Zhang (2010) [18] Population United States of America Unspecified 2.7 CSME
Varma (2014) [215] Population United States of America Unspecified 3.8 DME
Petrella (2012) [216] Population (registry) Canada Type 1 and 2 15.7 DME
Nathoo (2010) [67] Population Canada Unspecified 2.0 CSME
Esteves (2009) [68] Hospital Brazil Type 1 9.4 CSME
Villena (2011) [69] Hospital Peru Type 2 2.3 CSME
Thomas (2013) [70] Hospital South Africa Type 1 and 2 3.2 DME
Kahloun (2014) [33] Hospital Tunisia Type 1 and 2 8.7 DME
4.2 CSME
Mathenge (2014) [34] Population Kenya Unspecified 33.3 DME
4.1 CSME
Sharew (2013) [35] Hospital Ethiopia Unspecified 6.0 CSME
Kaidonis (2014) [71] Pooled population from 11 studies Australia Types 1 and 2 7.6 DME
  1. DR diabetic retinopathy, DME diabetic macular edema, CSME clinically significant macular edema