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Objective: This study compared response rates of paper and electronic versions of the Knee injury Osteoarthritis and Outcome Score questionnaire and examined the characteristics of patients who responded to each survey method., Methods: A total of 1486 patients registered by the Kaiser Permanente Anterior Cruciate Ligament Reconstruction Registry between 2005 and 2010 were included in this study. Response rates by survey modality for the overall cohort, by the specific time periods, and by age and sex at time of anterior cruciate ligament reconstruction were compared using χ(2) tests or the Fisher exact test when appropriate. Independent Student t tests were used to compare the Knee injury Osteoarthritis and Outcome Scores of survey respondents., Results: The overall survey response rate was 42%. The 36% response rate in the electronic-survey group was significantly higher than the 22% response rate in the paper-survey group (p < 0.001). The electronic response rate was also significantly higher than the paper response rate at all follow-up times (35% vs 25% at 1 year, p = 0.004, 38% vs 20% at 2 years, p < 0.001, and 35% vs 21% at 3 years; p < 0.001) and among all age groups 19 years and older., Conclusion: Although the electronic survey produced higher response rates, it is not sufficient alone to replace the traditional paper version among this Kaiser Permanente population.

A number of plants indigenous to California can cause contact dermatitis similar to that caused by poison oak-philodendron, oleander, fig family, castor bean, chrysanthemum family, Chinese rice paper plant and several others. Patch testing can be used to prove a suspected diagnosis. In some occupations dermatitis from one or another of these agents is more or less common.