What is the anticipated absolute effect of long term oxygen therapy compared to best medical therapy on quality of life (MLWHF)?
The anticipated absolute effect of long term oxygen therapy compared to best medical therapy on quality of life (MLWHF) is VERY LOWa,b,c due to risk of bias, indirectness, imprecision. The mean quality of life (MLWHF) in the control groups was The mean quality of life (MLWHF) in the intervention groups was