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[20110814. guideline (3): evaluating the literatures]

¹®ÇåÀÇ Á¾·ù¿¡ µû¶ó Æò°¡ÇÏ´Â ¹æ¹ýÀÌ ´Ù¸£´Ù.

- RCTÀÇ ÁúÆò°¡: ROB (risk of bias) ¹æ¹ý
- Non-RCTÀÇ ÁúÆò°¡: NOS (Newcattle-Ottawa scale) ¹æ¹ý - cohort ¿¬±¸¿ë°ú case-control ¿¬±¸¿ëÀÌ µû·Î ÀÖ´Ù.
- Áø´Ü°Ë»çÀÇ ÁúÆò°¡: QUADAS ¹æ¹ý


[1. RCTÀÇ ÁúÆò°¡¸¦ À§ÇÑ ROB (risk of bias) ¹æ¹ý]

6 domains of ROB

1. Random sequence generation
2. Allocation concealment
3. Blinding
4. Incomplete outcome data
5. Selective outcome reporting
6. Any other sources of bias

ROB ¹æ¹ý¿¡ µû¸¥ ¹®ÇåÆò°¡ °á°ú´Â ¾Æ·¡ ¿¹¿Í °°Àº ¹æ½ÄÀ¸·Î ¿ä¾àµÈ´Ù. ù¹ø° ¿¹´Â ¿©·¯ ¹®ÇåÀ» ÇѲ¨¹ø¿¡ ¿ä¾àÇÑ °Í. µÎ¹ø° ¿¹´Â °¢ ³í¹®º°·Î Æò°¡°á°ú¸¦ µû·Î Ç¥½ÃÇÑ °ÍÀÌ´Ù.


[2. Non-RCTÀÇ ÁúÆò°¡¸¦ À§ÇÑ NOS (Newcattle-Ottawa scale) ¹æ¹ý]

1. Cohort ¿¬±¸¿ë NOS´Â selection 4 Ç׸ñ, comparability 1 Ç׸ñ, outcome 3 Ç׸ñÀ¸·Î µÇ¾î ÀÖ´Ù.

2. Case control ¿¬±¸¿ë NOS´Â selection 4 Ç׸ñ, comparability 1 Ç׸ñ, exposure 3 Ç׸ñÀ¸·Î µÇ¾î ÀÖ´Ù.

°¢ Ç׸ñ¿¡ ÇØ´çÇÏ´ÂÁö ¿©ºÎ¸¦ °áÁ¤ÇÏ¿© º°Ç¥¸¦ ºÙÀδÙ. NOS ¹æ¹ý¿¡ µû¸¥ ¹®ÇåÆò°¡ °á°ú´Â ¾Æ·¡ ¿¹¿Í °°Àº ¹æ½ÄÀ¸·Î ¿ä¾àµÈ´Ù.


[3. Áø´Ü°Ë»çÀÇ ÁúÆò°¡¸¦ À§ÇÑ QUADAS ¹æ¹ý]

14°³ Ç׸ñ¿¡ ´ëÇÏ¿© Yes, No, Unclear, N/A (not applicable)·Î Æò°¡ÇÑ´Ù. ¸¶Áö¸· 3°³´Â ½ÇÁ¦·Î Àû¿ëÇϱ⠾î·Æ±â ¶§¹®¿¡ º¸Åë 11¹ø±îÁö Æò°¡ÇÑ´Ù.

1 .Was the spectrum of participants representative of the patients who will receive the test in practice?
2. Were selection criteria clearly described?
3. Was the reference standard likely to classify the target condition correctly?
4. Was the period between performance of the reference standard and the index test short enough to be reasonably sure that the target condition did not change between the two tests?
5. Did the whole sample or a random selection of the sample receive verification using the reference standard?
6. Did participants receive the same reference standard regardless of the index test result?
7. Was the reference standard independent of the index test? (that is, the index test did not form part of the reference standard)
8. Was the execution of the index test described in sufficient detail to permit its replication?
9. Was the execution of the reference standard described in sufficient detail to permit its replication?
10. Were the index test results interpreted without knowledge of the results of the reference standard?
11. Were the reference standard results interpreted without knowledge of the results of the index test?
12 .Were the same clinical data available when the test results were interpreted as would be available when the test is used in practice?
13. Were uninterpretable, indeterminate or intermediate test results reported?
14. Were withdrawals from the study explained?

QUADAS ¹æ¹ý¿¡ µû¸¥ ¹®ÇåÆò°¡ °á°ú´Â ¾Æ·¡ ¿¹¿Í °°Àº ¹æ½ÄÀ¸·Î ¿ä¾àµÈ´Ù (Gastrointest Endosc 2011;73:1122-34).


[4. systematic reviewÀÇ ÁúÆò°¡]

- Áú¹®: ¿¬±¸ Áú¹®ÀÌ ÀûÀýÇÏ°í ÃÊÁ¡ÀÌ ºÐ¸íÇÑ°¡?
- ¹æ¹ý·Ð: ÀûÀýÇÑ ¹æ¹ý·ÐÀÌ »ç¿ëµÇ¾î Àִ°¡?
- °Ë»ö: ¹®Çå°Ë»öÀº ÀûÀýÇÑ ¸ðµç ¿¬±¸¸¦ ãÀ» ¼ö ÀÖµµ·Ï ÃæºÐÈ÷ ¾ö°ÝÇÏ¿´´Â°¡?
- ÁúÆò°¡: °Ë»öµÈ ¿¬±¸ÀÇ ÁúÀ» ÀûÀýÈ÷ Æò°¡ÇÏ°í °í·ÁÇÏ¿´´Â°¡?
- µ¿Áú¼º: ¿¬±¸ °á°ú¸¦ ÇÕÄ¥ Á¤µµ·Î dzºÐÇÑ µ¿Áú¼ºÀÌ Àִ°¡? Subgroup analysis, meta-regression, random effect model µîÀ» ÀÌ¿ëÇÏ¿© heterogeneity¸¦ ÇØ°áÇÏ¿´´ÂÁö.

À§ 5°¡Áö Ç׸ñ¿¡ ´ëÇÏ¿© °¢°¢ 6 ´Ü°è·Î Æò°¡ÇÑ ÈÄ ±× ³»¿ëÀ» ++ (°ÅÀÇ ¸ðµç ±âÁØÀÌ ÃæÁ·µÊ), + (¸î °¡Áö ±âÁØÀÌ ÃæÁ·µÊ), - (°ÅÀÇ ¸ðµç ±âÁØÀÌ ÃæÁ·µÇÁö ¾ÊÀ½)À¸·Î ÃÖÁ¾Æò°¡¸¦ ³»¸°´Ù.

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- º¸°íµÇÁö ¾ÊÀ½
- Àû¿ë°¡´ÉÇÏÁö ¾ÊÀ½

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