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Correlation between a) 30MWD (n = 32) and TUG (n = 29, r = −0.82, P < 0.001; y = 6.10x – 472.01); b) 30MWD and 6MWD (n= 32, r = 0.97, P < 0.001; y = −230.3x + 3998.1). 30MWD = Thirty minute walk distance (meters); TUG = Timed up and go (seconds); 6MWD = Six minute walk distance (meters).
