Table 2: Analysis of covariance of liver enzymes in young and middle-aged obese adults

Variables		Source		Sum of square		df		Mean of square		F		Sig
AST		Covariance		1.681		1		1.681		0.068		0.797
		Between group		1.095		1		1.095		0.044		0.836
		Within group		420.319		17		24.725		–		–
		Total		429.200		19		–		–		–
ALT		Covariance		27.717		1		27.717		0.933		0.348
		Between group		1023.697		1		1023.697		34.449		0.001
		Within group		505.183		17		29.717		–		–
		Total		1828.950		19		–		–		–
ALP		Covariance		2187.315		1		2187.315		3.007		0.101
		Between group		586.221		1		586.221		0.806		0.382
		Within group		12365.985		17		727.411		–		–
		Total		15309.750		19		–		–		–