. 2023 May 26;12(6):1156. doi: 10.3390/antiox12061156

Table 2.

Regression coefficients and statistical parameters measuring the correlation and significance of the models.

Coefficient	y₁-TPC	y₂-TFC	y₃-ABTS	Y₄-FRAP	Y₅-Xylose
x₀	14.76 ^a	27.01 ^a	19.16 ^a	12.79 ^a	5.67 ^a
x₁	0.18	2.46 ^b	0.88	0.63	0.18
x₂	1.18 ^c	1.18	0.58	0.60	0.06
x₃	5.17 ^a	5.75 ^a	3.11 ^a	2.43 ^a	1.24 ^a
x₁₂	−0.76	−0.92	−0.77	−0.64	−0.32
x₁₃	0.69	0.58	0.08	0.13	−0.23
x₂₃	0.16	1.53	1.03	0.75	0.30
x₁₁	−2.42 ^c	−5.69 ^b	−3.31 ^b	−3.31 ^a	−0.43
x₂₂	0.20	0.51	0.82	0.99	0.09
x₃₃	−1.40	−3.44	−5.06 ^a	−2.16 ^b	−1.27 ^a
R²	0.942	0.889	0.942	0.918	0.928
F-exp	12.71	6.21	12.61	8.75	9.95
Significance level (%)	99.85	98.75	99.85	99.54	99.69

^a Significant coefficients at the 99% confidence level. ^b Significant coefficients at the 95% confidence level. ^c Significant coefficients at the 90% confidence level.