Table 1 |
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Strength of Evidence grading used in these Guidelines. |
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Strength of evidence |
Question |
Meaning |
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I |
Effectiveness |
Multiple Randomized Controlled Trials or Systematic Reviews of such studies |
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Diagnosis |
Multiple Randomized Controlled Trials, or Cross-sectional Studies with verification by reference (gold) standard, or Systematic Reviews of such studies |
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II |
Effectiveness |
One Randomized Controlled Trial |
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Diagnosis |
One Randomized Controlled Trial, or one Cross-sectional Study with verification by reference (gold) standard |
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|
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III |
Effectiveness |
Multiple Controlled nonrandomized Studies or Systematic Reviews of such studies |
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Diagnosis |
Multiple Cross-sectional Studies with incomplete & unbalanced verification with reference (gold) standard |
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|
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IV |
Effectiveness |
Other studies |
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|
Diagnosis |
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V |
Effectiveness |
SOSORT Consensus with more than 90% of agreement |
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|
Diagnosis |
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VI |
Effectiveness |
SOSORT Consensus with 70 to 89% of agreement |
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Diagnosis |
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Questions on Effectiveness (treatment results) and Diagnosis (assessment) have been considered |
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Negrini et al. Scoliosis 2012 7:3 doi:10.1186/1748-7161-7-3 |
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