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Table 3 Correlations between IOP, as obtained from tested tonometers, and age, spherical equivalent (SE), corneal curvature (MK) and central corneal thickness (CCT)

From: Analysis of differences in intraocular pressure evaluation performed with contact and non-contact devices

Correlations
   AGE SE MK CCT
DCT Spearman’s rho −0.117 0.025 −0.067 0.470
Sig. (2-tailed) 0.159 0.762 0.422 0.0001
N 146 146 146 146
GAT Spearman’s rho −0.143 0.102 − 0.043 0.625
Sig. (2-tailed) 0.085 0.221 0.608 0.0001
N 146 146 146 146
ORA Spearman’s rho −0.089 −0.029 − 0.096 0.413
Sig. (2-tailed) 0.283 0.732 0.251 0.0001
N 146 146 146 146
RT Spearman’s rho −0.114 0.072 −0.098 0.519
Sig. (2-tailed) 0.172 0.389 0.240 0.0001
N 146 146 146 146
CST Spearman’s rho −0.104 0.040 −0.201 0.522
Sig. (2-tailed) 0.210 0.633 0.015 0.0001
N 146 146 146 146
  1. Legend: Corvis ST (CST), Ocular Response Analyzer (ORA), rebound tonometry (RT), dynamic contour tonometer (DCT) and Goldmann applanation tonometer (GAT). Highlighted values are the correlations resulted to be significant