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Forest plot of the multivariable analysis of determinants of past falls. The analysis was adjusted for gender, age, and BMI, all of which were non-significant determinants, and which were therefore omitted from the graph for clarity. LTOT, treatment with long-term oxygen therapy; FFM, fat-free mass (kg); 6MWD%pred, 6-min walking distance expressed as a percentage of the predicted value; qPT 60°, isokinetic quadriceps peak torque (PT) at concentric 60°.
