Table II.

The Parameters Obtained from the Nonlinear Regression Analysis of the Correlations Between ACCs and r-Value and Between ACCs and Interface Area

	ACC against X (= r-value)
	intra_int	intra_ext	proto	inter_int	inter_ext
a	0.0556	0.381	0.0636	1.60 × 10−3	−0.718
b	0.415	0.649	0.432	0.0779	1.27
c	0.0996	0.186	0.0688	0.0205	0.374

	ACC against X (= interface area)
	intra_int	intra_ext	proto	inter_int	inter_ext
a	0.0707	0.405	0.0709	3.02 × 10−4	−0.393
b	0.416	0.536	0.501	0.175	0.889
c	595	1.43 × 103	403	187	1.80 × 103

Regression function used: ACC = a + be^-X/c.