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Resilience plays a significant role in reaching optimal functional recovery in hip-fractured elderly people. Results suggest the introduction of early routine assessment of resilience in future outcome studies in rehabilitation.

The application of the McNemar test to questionnaires and scales offers a simple method for demonstrating the modification of a single patient's performance. This use of the McNemar test overcomes the weaknesses of the MDC and gives support to the clinician in assisting him/her to convincingly communicate a non-negligible modification of the patient's status. IMPLICATIONS FOR REHABILITATION Measuring the change in patients' status is of paramount importance in medicine and rehabilitation. However, tracking the change in rehabilitation is difficult. For example, the minimal detectable change cannot be calculated on scores from ordinal questionnaires and tests, which are widely used as rehabilitative outcome measures. We propose here to use a McNemar test to check if the proportion of test items affirmed or passed by is significantly different between two conditions (e.g. before vs. after rehabilitation). Similar to the minimal detectable change, the significant McNemar test would indicate a non-random modification of the patient's test score. In addition, the McNemar test can be calculated on ordinal data, thus overcoming some of the minimal detectable change weaknesses.

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