Oral Biology Research

Table. 5.

Regression analysis of degree of conversion and discoloration (∆E00) after 24 weeks

Product Solution B SE β t p-value R R2 Adjusted R2
Filtek Water –10.962 3.502 –0.594 –3.131 0.006 0.594 0.353 0.317
Red wine –49.695 13.487 –0.656 –3.685 0.002 0.656 0.430 0.398
Coffee –111.054 23.784 –0.740 –4.669 <0.001 0.740 0.548 0.523
Tetric Water 3.712 3.332 0.269 1.185 0.251 0.269 0.072 0.021
Red wine –78.711 13.944 –0.799 –5.645 <0.001 0.799 0.639 0.619
Coffee –101.878 32.339 –0.596 –3.150 0.006 0.596 0.355 0.320

SE, standard error.

p<0.01, p<0.001 by regression analysis.

Oral Biol Res 2023;47:123~131 https://doi.org/10.21851/obr.47.04.202312.123
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