Table 3 Modified RAND-UCLA classification criteria

Level of agreement

 - Approval: median > 6.5

 - Uncertain: median ≥ 3.5 and ≤ 6.5

 - Rejection: median < 3.5

Level of consensus

 - High consensus

  ° Voting results exclusively in the range of 7 to 9

  ° Voting results exclusively in the range of 1 to 3

 - Consensus

  ° Mean - standard deviation > 7

  ° Mean + standard deviation < 3

 - Trend

  °Mean - standard deviation < 5

  °Mean + standard deviation > 5

 - No consensus

  ° Voting results range from 1 to 9