Table 2 Intraocular pressure (IOP) differences between IC01, Topcon and Icare200.

From: Agreement and repeatability of a novel portable transpalpebral tonometer for home tonometry versus non-contact and rebound tonometry

Intraocular pressure ranges

Intraocular pressure (mean ± standard deviation)

Mean difference of intraocular pressure (standard deviation)

p-value

Pearson correlation between IC01 and topcon

p-value for r between IC01 and topcon

Pearson correlation between iCare IC200 and topcon

p-value for r between iCare IC200 and topcon

iCare IC200

IC01

Topcon

 ≤ 13 mmHg (n = 145)

11.65 ± 3.25

11.95 ± 1.95

11.48 ± 1.39

1.25 (2.05)

0.58

0.369

0.25

0.152

0.11

13–20 mmHg (n = 20)

18.64 ± 4.87

17.87 ± 1.69

17.41 ± 2.67

&-1.99 (0.58)

0.65

0.254

0.42

0.158

0.23

 ≥ 20 mmHg (n = 24)

23.15 ± 3.25

22.68 ± 2.25

23.61 ± 1.58

&-2.65 (1.22)

0.45

0.115

0.33

0.336

0.45

Overall (189)

17.62 ± 2.43

18.69 ± 6.35

18.85 ± 2.25

&-1.11 (2.64)

0.21

0.547

0.35

0.751

0.25

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