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Learning Objective 1: (1)The learner will be able to understand the prevalence of cleft lip or/and palate from 2002 to 2009 in Taiwan.
Learning Objective 2: (2) The learner will be able to discuss the related factors of prevalence of cleft lip or/and palate from 2002 to 2009 in Taiwan.
Methods: A retrospective study design, and researcher retrieved the data on the occurrence of cleft lip or/and palate in Taiwan between 2002 and 2009 from Department of Health Bureau of Health. Statistical analysis: Data was described in frequencies and percentage. Logistic regression was applied to find factors associated with cleft lip and cleft palate. Data were analyzed using the SPSS software 15.0 and P values < 0.05 were deemed to indicate statistical significance.
Results: There was a slight and significant decrease of prevalence during year 2002 to year 2009. Further analysis showed that the mothers of the babies with these defects, especially with lip/cleft palate, had elder maternal age, fewer birth weeks and these babies had less birth weight. Time was then categorized into 2 periods, years 2002-2005 and years 2006-2009. Parameters were described by time periods, including mothers’ age, parity, gender, gestational age, and weight at birth. Finally, logistic regression result of associating the parameters with birth defect adjusting for time period. The odd for cleft lip/cleft palate was associated with parity, gender, and weight at birth.
Conclusion: These data and analyses are valuable for international academic exchange and research in this field because since 2001 there has been no official publication of these data from government.