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Table 1 Coefficients of variation (COV)

From: Repeatability of intraocular pressure measurements with Icare PRO rebound, Tono-Pen AVIA, and Goldmann tonometers in sitting and reclining positions

  COV Mean SD 95%-CI Median Min Max p-value
    Lower Upper     
GAT (S) 0.029 0.034 0.018 0.041 0.000 0.000 0.109 -
ICP (S) 0.052 0.052 0.035 0.070 0.036 0.000 0.229 0.430
ICP (R) 0.069 0.059 0.049 0.089 0.050 0.000 0.224 0.026
TPA (S) 0.052 0.054 0.034 0.070 0.049 0.000 0.223 0.426
TPA (R) 0.042 0.048 0.035 0.070 0.036 0.000 0.229 0.878
  1. (GAT Goldmann-Applanation-Tonometer, ICP Icare PRO, TPA Tono-Pen AVIA, SD Standard deviation, CI confidence interval, S sitting, R reclining).