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. 2014 Apr 29;9(4):e96066. doi: 10.1371/journal.pone.0096066

Table 4. Results of the multiple linear regression analysis with the stepwise method in which the IOP obtained by non-contact tonometry was the outcome variable.

Parameter Coefficient Standard Error P Value
IOP obtained by Goldmann applanation tonometer 0.48 0.081 <0.0001
Spherical equivalent −0.174 0.086 0.048
Displacement at IOP reading time 0.013 0.006 0.035
Maximum displacement −0.008 0.004 0.059
Intercept 0.777 6.883 0.911

Predictors were selected from CCT, age, gender, SE, radius of ocular curvature, IOP obtained by Goldmann applanation tonometer, the ocular surface displacement at IOP reading time and the maximal ocular surface displacement time.