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  • À¯»ç±×·ì ¹«ÀÛÀ§È­ ºñ±³ ¿¬±¸(randomized controlled trial)
    • Âü¿©ÀÚµéÀº µ¿Àü´øÁö±â °úÁ¤°ú ¸¶Âù°¡ÁöÀÎ ¹«ÀÛÀ§¹ýÀ» ÅëÇØ ƯÁ¤ óġ±º(¾à¹°Ä¡·á±º) ¶Ç´Â ´Ù¸¥±º(À§¾àÅõ¿©±º) Áß Çϳª¿¡ ¹èÁ¤µÈ´Ù. µÎ ±ºÀ» ¹Ì¸® Á¤ÇÑ ½Ã°£ µ¿¾È ÃßÀûÇÏ°í ¿¬±¸ Âø¼ö½Ã¿¡ ¹Ì¸® Á¤ÀÇÇÑ Æ¯Á¤ °á°ú(¿¹: »ç¸Á, ½É±Ù°æ»ö, ¾Ï µî)¿¡ ±Ù°ÅÇØ °ËÁ¤ÇÑ´Ù.
    • °¢ ±ºÀº ¾î¶² óġ¸¦ ¹Þ¾Ò´ÂÁö¿¡ ´ëÇØ¼­¸¸ Â÷À̰¡ ÀÖÀ» »Ó ³ª¸ÓÁö ºÎºÐÀº Æò±ÕÇÏ¸é µ¿ÁúÀûÀ̶ó°í ¸»ÇÒ ¼ö Àֱ⠶§¹®¿¡ ÀÌ·ÐÀûÀ¸·Î °á°ú¿¡¼­ ³ªÅ¸³­ µÎ ±º°£ÀÇ Â÷À̴ óġ¿¡ ±âÀÎÇÑ °ÍÀ̶ó°í º¼ ¼ö ÀÖ´Ù.
    • ´ã¹è¿Í Æó¾Ï°úÀÇ »ó°ü¼º¿¡ ´ëÇÑ ¿¬±¸¸¦ ¿¹·Î µé¸é ½ÅüÀû Á¶°ÇÀÌ ºñ½ÁÇÑ 20´ë ³²ÀÚ Áß ºñÈí¿¬ÀÚ 100¸íÀ» ¸ð¾Æ¼­ ¹«ÀÛÀ§·Î 50¸í¾¿ A±º°ú B±ºÀ¸·Î ³ª´« µÚ, A±ºÀº ´ã¹è¸¦ ÇÇ°Ô Çϰí B±ºÀº ´ã¹è¸¦ ÇÇÁö ¾Ê°Ô ÇÑ ´ÙÀ½ ¸î ³â µÚ¿¡ µÎ ±ºÀÇ Æó¾Ï¹ß»ý·üÀÇ Â÷À̸¦ ±¸ÇÑ´Ù.
  • À¯»ç±×·ì ºñ±³ ¹Ì·¡°üÂû¿¬±¸
    • ÄÚȣƮ¿¬±¸(Cohort study)
    • ƯÁ¤ »ç°Ç¿¡ ´ëÇÑ ³ëÃâ°æÇè(¿¹: ¹é½ÅÁ¢Á¾, ¾à¹°Åõ¿© µî)ÀÇ Â÷ÀÌ¿¡ ±Ù°ÅÇÏ¿© µÑ ÀÌ»óÀÇ ´ëÁ¶±ºÀ» ±¸¼ºÇÑ ÈÄ ÃßÀûÇÏ¿© °¢°¢ÀÇ ±º¿¡¼­ ƯÁ¤ Áúº´ ¶Ç´Â ƯÁ¤ °á°ú°¡ ¾ó¸¶³ª ¸¹ÀÌ ¹ß»ýÇϴ°¡¸¦ »ìÇÉ´Ù.

    • ´ã¹è¿Í Æó¾ÏÀÇ »ó°ü°ü°è¿¡ ´ëÇÑ ¿¬±¸¸¦ ¿¹·Î µé¸é Èí¿¬ÀÚ 50¸í°ú ºñÈí¿¬ÀÚ 50¸íÀ» ¸ðÀº ´ÙÀ½ ÀÏÁ¤ ±â°£ ÈÄ µÎ ±ºÀÇ Æó¾Ï¹ß»ý·üÀ» Á¶»çÇÑ´Ù.

  • À¯»ç±×·ì ºñ±³ °ú°Å°üÂû¿¬±¸

    • ȯÀÚ´ëÁ¶±ººñ±³¿¬±¸(Case-Control study)
    • ƯÁ¤ Áúº´ ¶Ç´Â ƯÁ¤ »óȲ¿¡ Àִ ȯÀÚ±ºµéÀº ¸ÕÀú ´ëÁ¶±º°ú ¦À» ÀÌ·é´Ù. ´ëÁ¶±ºÀº ȯÀÚ±ºÀÇ Áúº´°ú ´Ù¸¥ Áúº´À» ¾Î°í ÀÖÀ» ¼öµµ ÀÖ°í, ÀÏ¹Ý Àα¸Áý´ÜÀÏ ¼öµµ ÀÖ´Ù. À̵éÀ» ´ë»óÀ¸·Î °ú°Å Àǹ«±â·ÏÀ» ¿­¶÷Çϰųª º»Àο¡°Ô ¹°¾î È®ÀÎÇÏ´Â µîÀÇ ¹æ¹ýÀ» ÅëÇØ Çö Áúº´»óÅÂÀÇ ¿øÀÎÀ¸·Î ÃßÁ¤µÇ´Â °ú°ÅÀÇ »ç°Ç¿¡ ´ëÇÑ ³ëÃâ·Â °ü·ÃÀڷḦ ¼öÁýÇÑ´Ù.

    • ´ã¹è¿Í Æó¾Ï°úÀÇ »ó°ü°ü°è¿¡ ´ëÇÑ ¿¬±¸¸¦ ¿¹·Î µé¸é Æó¾Ï¿¡ °É¸° ȯÀÚ±º°ú, ´Ù¸¥ ¿ä¼ÒµéÀº ȯÀÚ±º°ú À¯»çÇÏÁö¸¸ Æó¾Ï¿¡ °É¸®Áö ¾ÊÀº ´ëÁ¶±ºÀ» ±¸¼ºÇÑ ÈÄ °ú°Å¿¡ ´ã¹è¸¦ ÇÇ¿î °æ·Â¿¡ ´ëÇÏ¿© Á¶»çÇÑ´Ù.

  • À¯»ç±×·ì ºñ±³ ½ÃÁ¡ °üÂû¿¬±¸

    • ´Ü¸éÁ¶»ç¿¬±¸ Cross sectional study
    • ¿ªÇÐÀÚµéÀÌ ½Ç½ÃÇÏ´Â Á¶»ç¿¡´Â º»ÁúÀûÀ¸·Î ´ëÇ¥¼º ÀÖ´Â »ç¶÷µéÀÇ Ç¥º»À» ÃßÃâÇÏ¿© ¸éÁ¢À̳ª Á¶»ç¸¦ ¹úÀÌ°í ¶Ç´Â Æ¯Á¤ ÀÓ»óÀû Áú¹®¿¡ ´ëÇÑ ´äÀ» ã±â À§ÇØ ¿¬±¸ÇÑ´Ù´Â °øÅëÁ¡ÀÌ ÀÖ´Ù.

    • ´ã¹è¿Í Æó¾Ï°úÀÇ »ó°ü°ü°è¿¡ ´ëÇÑ ¿¬±¸¸¦ ¿¹·Î µé¸é ÀÏÁ¤ Áö¿ª¿¡¼­ Ç¥º»À» ÃßÃâÇÑ ´ÙÀ½ ´ã¹èÇÇ´Â »ç¶÷°ú Æó¾Ï¿¡ °É¸° »ç¶÷À» Á¶»çÇÑ ÈÄ µÑÀÇ »ó°ü°ü°è¸¦ º»´Ù.

    • Cross-sectional studies can be thought of as providing a "snapshot" of the frequency and characteristics of a disease in a population at a particular point in time. This type of data can be used to assess the prevalence of acute or chronic conditions in a population. However, since exposure and disease status are measured at the same point in time, it may not always be possible to distinguish whether the exposure preceded or followed the disease. The cross-sectional survey--which, like a snapshot, "freezes" a specific moment in time--aims at finding the same kind of relationships that might be shown by the "moving picture" of the cohort study, but at far less cost. In a cross-sectional survey, a specific group is looked at to see if a substance or activity, say smoking, is related to the health effect being investigated--for example, lung cancer. If a significantly greater number of smokers already have lung cancer than those who don't smoke, this would support the hypothesis that lung cancer is caused by smoking.
    • Cross-sectional analysis studies the relationship between different variables at a point in time. For instance, the relationship between income, locality, and personal expenditure. Unlike time series, cross-sectional analysis relates to how variables affect each other at the same time.
    • http://en.wikipedia.org/wiki/Cross-sectional_study
  • Áõ·Êº¸°í
    • ÇØ´ç ÁúȯÀÇ È¯ÀÚ¿¡ ´ëÇÑ ±â¼ú°ú ºÐ¼®
  • ÀÇ·á¼Õ»ó (Adverse event)

    • ÀÇ·áÇàÀ§·Î ÀÎÇÏ¿© ¿¹±âÄ¡ ¸øÇÑ »óÇØ(injury)³ª ÇÕº´Áõ(complication)ÀÌ ¹ß»ýÇÏ¿©,

    • ÀÔ¿ø±â°£ÀÌ ¿¬ÀåµÇ°Å³ª Àå¾Ö ȤÀº »ç¸ÁÀÌ ¹ß»ýÇÑ °æ¿ì

      • ÀÔ¿ø±â°£ÀÌ ¿¬ÀåµÇ°Å³ª Àå¾Ö ȤÀº »ç¸ÁÀÌ ¹ß»ýÇÏÁö ¾ÊÀ¸¸é¼­µµ ÀÇ·á¼Õ»óÀÌ ÀÖÀ» ¼ö ÀÖÀ¸³ª Çö½ÇÀûÀÎ ÀÇÀÇ´Â ¾øÀ» °ÍÀ¸·Î ÆÇ´ÜµÊ.

  • ÀÇ·á»ç°í

    • ÀÇ·áÇàÀ§ Áß ¿¹±âÄ¡ ¾ÊÀº ÀÇ·á¼Õ»ó(Adverse event)ÀÌ ¹ß»ýÇÏ´Â °æ¿ì

    • ÀÇ·á°ú½Ç¿¡ ÀÇÇÏ¿© »óÇØ³ª ÇÕº´ÁõÀÌ ¹ß»ýÇßÀ» ¼öµµ ÀÖ°í ±×·¸Áö ¾ÊÀ» ¼öµµ ÀÖ´Ù.

  • ÀÇ·áºÐÀï

    • ÀÇ·á»ç°í¿¡ ´ëÇÏ¿© ȯÀÚ°¡ ÀÌÀǸ¦ Á¦±âÇÏ´Â °æ¿ì ÀÇ·á»ç°í´Â ÀÇ·áºÐÀïÈ­µÈ´Ù.

  • ÀÇ·á¼Ò¼Û

  • ÀÇ·á°ú½Ç(Medical Malpractice)

  • ÀÇ·á°ú¿À

    • ÀÇ·á°ú½Ç°ú µ¿ÀÇÀÇ °³³ä

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