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. Author manuscript; available in PMC: 2012 Mar 22.
Published in final edited form as: J AAPOS. 2010 Dec;14(6):494–497. doi: 10.1016/j.jaapos.2010.10.004

Table 2.

Demographic and clinical characteristics of amblyopic children <3 years of age, and characteristics previously reported for 3- to 6-year olds

Ambyopic <3 years of age PEDIG (2002) 3- to 6-year-olds1
Male/Female (%) 49.6/50.4 53.9/46.1 <0.004
Race/Ethnicity (%)
 Non-Hispanic white 81 83 <0.01
 African American 3 6
 Hispanic 12 6
 Asian 2 2
 Mixed/other 2 3
Gestational age at birth (weeks, mean ± SD) 39.0±1.6 --- ---
Affected eye, RE/LE (%) 48.8/50.2 41.1/58.9 <0.004
Amblyogenic factor, strabismus/anisometropia combined (%) 82/5/13 38/37/24 <0.0001

Note: Demographic characteristics of the <3-year-old amblyopic children in this study and 3- to 6-year-old children in the PEDIG study1 were compared using Fisher exact (sex, affected eye) or χ2 tests (race/ethnicity, amblyogenic factor).

1

The clinical profile of moderate amblyopia in children younger than 7 years. Arch Ophthalmol 2002;120:281–7.