Journal of clinical epidemiology
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Sciatica is thought to have a good clinical outcome, but in fact, its natural history is not well known. ⋯ Recovery from sciatica is less frequent than expected. Attention should be given to occupational and personal factors associated with persistence or recurrence of sciatica.
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To evaluate the effects of missing data on analyses of data from trauma databases, and to verify whether commonly used techniques for handling missing data work well in theses settings. ⋯ Great care is required whenever missing data arises. This is especially true in trauma databases, which often have much missing data and where the data may not missing at random.