Table 15.

Statistical comparison between the results for weighted models.

	WLR, WRF, and RF with SMOTE		WRF across various feature sets
	Oxidative stress	All features
Friedman test among all models
Chi-square	13.63	13.40		17.21
P-value	$0.11\times {10}^{-2}$	$0.12\times {10}^{-2}$		$0.18\times {10}^{-3}$
Conover post-hoc test
P-value (WRF-WLR)	$0.8\times {10}^{-5}$	$0.14\times {10}^{-4}$	P-value (All features Vs. oxidative stress)	$3.68\times {10}^{-4}$
P-value (WRF-RF-SMOTE)	$0.17\times {10}^{-2}$	$0.18\times {10}^{-1}$	P-value (All features Vs. social and clinical)	$4.25\times {10}^{-3}$
			P-value (oxidative stress vs. social and clinical)	$8.83\times {10}^{-6}$