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Table 3 Intraclass coefficient and coefficient of variance of each intraocular pressure in the sitting and supine positions

From: Evaluation of rebound tonometer iCare IC200 as compared with IcarePRO and Goldmann applanation tonometer in patients with glaucoma

Tonometer/position

ICC (95% CI)

CoV (%)

Sitting

 GAT

0.984 (0.979–0.988)

1.6 ± 2.2 (0.0–7.1)

 IcarePRO

0.945 (0.929–0.959)

5.0 ± 3.2 (0.0–19.4)*

 IC200-single

0.967 (0.957–0.975)

4.4 ± 2.2 (0.0–16.9)*

 IC200-continuous

0.971 (0.962–0.978)

4.1 ± 2.8 (0.0–14.9)*

Supine

 IcarePRO

0.963 (0.952–0.973)

4.6 ± 3.1 (0.0–17.2)

 IC200-single

0.987 (0.984–0.991)

3.9 ± 2.2 (0.0–10.5)

 IC200-continuous

0.984 (0.979–0.984)

3.5 ± 2.3 (0.0–13.7)

  1. Tukey’s multiple-comparison test
  2. CI confidence interval; CoV coefficient of variance; ICC intraclass correlation coefficient
  3. *P < 0.05 as compared with GAT
  4. P < 0.05 as compared with IcarePRO