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  Indian J Med Microbiol
 

Figure 1: Example of the filling of a WELCH questionnaire. Each of the first three items is scored from 0 points (impossible) to 7 points (3 h or more). The evaluation of usual speed is scored a coefficient of 1 (much slower) to 5 (faster). The WELCH score is the sum of points minus one, multiplied by the coefficient found in item 4. Here, the WELCH score is 6 ([4 + 2 + 1] − 1) × 1 = 6. WELCH: Walking Estimated-Limitation Calculated by History

Figure 1: Example of the filling of a WELCH questionnaire. Each of the first three items is scored from 0 points (impossible) to 7 points (3 h or more). The evaluation of usual speed is scored a coefficient of 1 (much slower) to 5 (faster). The WELCH score is the sum of points minus one, multiplied by the coefficient found in item 4. Here, the WELCH score is 6 ([4 + 2 + 1] − 1) × 1 = 6. WELCH: Walking Estimated-Limitation Calculated by History