Partial regression coefficient Standardized partial regression coefficient Test of significance of partial regression coefficient Odds ratio 95% confidence interval of odds ratio Lower limit Lower limit 580 nm -0.73 -10.03 <0.001 0.48 0.34 0.67 630/580 rate -0.34 -3.98 <0.001 0.72 0.59 0.87 Constant 48.19           Accuracy of the regression equation (R square): 0.92 Significance of regression equation (likelihood ratio test):<0.001 Discrimination predictive value: 98.0% Residual test (rate of values with a studentized residual exceeding 2): 0.3%

Table 5: Binomial logistic regression analysis of 580 nm value and 630/580 nm value ratio.