In aggregate , PPARGC@A variation was strongly associated with baseline triacylglycerol concentrations ( p = @ ( -@ ) ) , BMI ( p = @ ( -@ ) ) and visceral adiposity ( p = @ ( -@ ) ) , as well as with changes in triacylglycerol concentrations ( p = @ ( -@ ) ) and BMI ( p = @ ( -@ ) ) from baseline to @ year .