Table 2. Regression analysis results for cAMP pathway.

AIC: Akaike information criteria, lower values indicate better models. If adjusted R² for linear is less than 0.9, then the best model is determined by AIC.

		Giβγ		cAMP		Calcium
		Dur	Conc	Dur	Conc	Dur	Conc
Adjusted R2	Linear	0.832	0.827	0.951	0.937	0.486	0.675
	log	0.880	0.787	0.957	0.815	0.955	0.604
	Hill	0.922	0.913	0.969	0.964	0.970	0.989
AIC	Linear	−1.112	−8.266	−10.181	−52.828	166.225	99.958
	log	10.196	24.022	13.458	13.710	107.598	127.772
	Hill	−28.406	−38.033	−48.562	−48.911	−86.367	−101.415
Conclusion		Non-linear	Non-linear	Linear	Linear	Non-linear	Non-linear