Table 4 of
Gowri, Mol Vis 2020; 26:789-796.
Table 4. Previous studies on LHON prevalence.
Country | Study design | Duration (years) | Number of patients identified |
---|---|---|---|
Finland | Population based, Clinical follow-up [10] | 34 (1970–2004) | 108 |
Denmark | Population based, Tertiary national referral center [8] | ̴ 32 (1980–2012) | 104 |
North East England | Population based, Prospective, Referral based [13] | 12 (1990–2002) | 70 |
Serbia | Population based, Prospective [15] | ̴ 12 (2000–2013) | 14 |
Japan | Population based, Multiple centers (1397 facilities), Questionnaire based survey [16] | 1 (2014) | 72 |
Present study | Hospital based, prospective, Single center | 5 (2015–2019) | 55 |