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. 2013 Oct 16;8(10):e77294. doi: 10.1371/journal.pone.0077294

Table 3. Means (standard deviations in parentheses) for participants’ letter misses and letter reaction times.

Measure Control group    Glaucoma group    p
(n = 12) (n = 23)
Letter Reaction Time (LRT) (S2, S4) (s) 1.06 (0.20) 1.48 (0.26) 8.9*10-6
Number of letter misses (S2, S4) 1.83 (0.91) 6.13 (5.22) 7.8*10-4

S2 = session 2; S4 = session 4.