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Table 3 Intraclass correlation coefficients (ICC) for comparison of intraocular pressure (IOP) parameters for five daily visits among healthy young individuals (n = 10)

From: Instability of 24-hour intraocular pressure fluctuation in healthy young subjects: a prospective, cross-sectional study

 

Mean ± SD (range)

ICC (95% CI)

Sitting IOP (mmHg)†

  

  Maximum

14.94 ± 1.86 (10 ~ 18)

0.915 (0.792 ~ 0.976)

  Minimum

10.52 ± 1.88 (6 ~ 15)

0.933 (0.836 ~ 0.981)

  Fluctuation§

4.42 ± 1.43 (2 ~ 8)

0.212 (-0.997 ~ 0.779)

Supine IOP (mmHg)‡

  

  Maximum

15.28 ± 1.73 (11 ~ 19)

0.948 (0.870 ~ 0.985)

  Minimum

11.40 ± 1.58 (6 ~ 15)

0.917 (0.791 ~ 0.976)

  Fluctuation§

3.88 ± 1.26 (1 ~ 6)

0.575 (-0.102 ~ 0.882)

  1. CI Confidence interval, SD Standard deviation.
  2. †Measured by Goldmann applanation tonometry.
  3. ‡Measured by a Tono-Pen AVIA tonometer (Reichert Technologies Inc., Depew, NY, USA).
  4. §Difference between the maximum and minimum IOP values observed in a single day.
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BMC Ophthalmology

ISSN: 1471-2415

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