The intention-to-treat analysis of the @ randomised patients showed that the exercise group had a greater increase in peak oxygen uptake ( @ mL/kg/min between-group difference , p = @ ) , carbon monoxide transfer factor ( Tlco ) ( @ % predicted , p = @ ) , @RM leg press ( @ kg , p < @ ) , chair stand ( @ times p < @ ) , stair run ( @ steps , p = @ ) and total muscle mass ( @ kg , p = @ ) compared with the controls .