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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Optom Vis Sci. 2015 Sep;92(9):e257–e263. doi: 10.1097/OPX.0000000000000648

Table 1.

Intraclass correlation coefficients.

Comparison ICC 95% confidence interval
Between Visit First NIK-BUT 0.53 0.32 - 0.69
Between Visit Average NIK-BUT 0.59 0.40 – 0.73
Between Visit FBUT 0.66 0.49 – 0.78
Within Visit First NIK-BUT vs FBUT 0.44 0.21 – 0.62
Within Visit Average NIK-BUT vs FBUT 0.41 0.18 – 0.60