Table 3. Results of six-minute walking test.

6MWT	M ± SD
6MWT – Initial distance (m)	602.3 ± 36.9
6MWT – Final distance (m)	618.1 ± 46.5
Predicted 6MWD – Li (m)	666.8 ± 30.9
Predicted 6MWD – Geiger (m)	663.2 ± 37.7
% Predicted – Li Initial Final	90.3% 92.7%
% Predicted – Geiger Initial Final	90.8% 93.2%