Fig. 3. Functional status during ambulation and daily activities. A: The disease duration clearly differed between the ambulatory and wheelchair-bound patients, at 4.5±0.7 and 17.4±2.2 years, respectively. B: All of the daily activities that could be performed independently by each of the patients. C: The number of independent daily activities was correlated with the disease duration (p=0.012). ADL: activities of daily living.
