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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Optom Vis Sci. 2013 Aug;90(8):776–787. doi: 10.1097/OPX.0b013e31829d99d1

Table 2.

A Pearson a correlation matrix for all combinations of POS and the patient trait variables.

POS SF-36 PF GDS TICS Vis Ability Reading
POS
SF-36 PF 0.16
GDS −0.16 −0.37
TICS 0.25 0.30 −0.20
Vis Ability 0.21 0.31 −0.34 0.27
Reading 0.18 0.18 −0.24 0.25 0.77
LogMAR −0.17 0.04 0.02 −0.14 −0.27 −0.44