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. Author manuscript; available in PMC: 2016 Jan 5.
Published in final edited form as: Arch Ophthalmol. 2009 Nov;127(11):1505–1510. doi: 10.1001/archophthalmol.2009.278

Table 3.

Baseline Visual Acuity by Sex, Age, and Trichiasis Severitya

Characteristic No. Mean LogMAR P Valuec
Sex
 Male 222 0.737
 Female 648 0.785 .39
Age, y
 ≤40 310 0.626
 41–59 320 0.778 .006
 ≥60 240 0.954 <.001
No. of lashes touching the globe
 None (do not epilate)b 88 0.720
 None (epilate all) 217 0.727 .07
 1–4 258 0.639 >.99
 5–9 157 0.713 .14
 ≥ 10 150 1.16 <.001
a

N = 870 eyes; for 8 eyes, baseline visual acuity values were unavailable.

b

Eyes without trichiasis (no surgery).

c

P value of difference; correlation between left and right eyes accounted for using generalized estimating equation.