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Table 2 Characteristics of included studies

From: Prevalence of hyperthyroidism, hypothyroidism, and euthyroidism in thyroid eye disease: a systematic review of the literature

Author Study period Country Number of patients with TED Prevalence (%) hyperthyroidism in TED Prevalence (%) hypothyroidism in TED Prevalence (%) euthyroidism in TED
Ackuaku-Dogbe et al. [24] 2014–2016 Ghana 117 104 (88.9) 5 (4.3) 8 (6.8)
Expósito et al. [25] 2007–2011 Spain 18 12 (66.7) 6 (33.3)
Bartley et al. [14] 1976–1990 USA 120 108 (90) 5 (4.2) 7 (5.8)
Eckstein et al. [15] 2000 Germany 182 143 (78.6) 11 (6) 28 (15.4)
Jang et al. [26] 2008–2010 South Korea 163 139 (85.3) 24 (14.7)
Kashkouli et al. [22] 2003–2006 Iran 303 280 (92.4) 23 (7.5)
Khoo et al. [27] 1996–1999 Singapore 1020 1011 (99.1) 2 (0.2) 7 (0.7)
McKeag et al. [28] 2006–2007 Wales 47 44 (93.6) 3 (6.4)
Medghalchi et al. [29] 2012–2014 Iran 103 83 (80.5) 19 (18.4) 1 (0.9)
Mukasa et al. [30] 2010–2010 Japan 238 210 (88.2) 28 (11.8)
Ponto et al. [31] 1999–2012 Germany 610 584 (95.7)
Ponto et al. [32] 2005–2012 Germany 461 441 (95.6) 12 (2.6) 8 (1.7)
Cozma et al. [33] 1997–2005 Wales 140 92 (65.7) 29 (20.7) 19 (13.6)