Table 3 Definition of recommendations

Strong recommendation

The following three conditions should be met:

  (1) A proportion of scores within the IQR greater or equal to 70%

  (2) A degree of consistency at least “very good”

  (3) A median score not in the uncertain area, i.e., 4–6

Weak recommendation

The following three conditions should be met:

  (1) A proportion of scores within the IQR greater or equal to 70%

  (2) A degree of consistency of “good or some” and any median score, or any degree of consistency and a median score of 4–6

  (3) A median score not in the uncertain area, i.e., 4–6

No recommendation

One of the following three conditions should be met in this case:

  (1) A proportion of scores within the IQR below 70%

  (2) No consistency

  (3) A median score in the uncertain area (4–6) combined with any consistency