Table 1

Comparison of Appraisal of Guidelines Research and Evaluation (AGREE II) Instrument scores* by each rater (A, B, C, D) and scaled domain percentage scores for the adult cataract clinical practice guidelines developed by the American Academy of Ophthalmology (AAO), the Canadian Ophthalmological Society (COS) and the Royal College of Ophthalmologists (RCO)

AGREE II DomainItem†AAO ratingsCOS ratingsRCO ratings
ABCDScaled scoreABCDScaled scoreABCDScaled score
1. Scope and Purpose1437656%667779%677783%
2213554475556
3765355675766
2. Stakeholder Involvement4232436%426661%353664%
5211311364546
6626667775746
3. Rigour of Development7667655%445772%345758%
8121552566757
9232357573725
10212353671236
11665676676676
12456667774556
13334734462315
14767533562543
4. Clarity of Presentation15422667%677794%466685%
16535766776777
17667767775766
5. Applicability18255249%422645%565670%
19346222175647
20456535264546
21323652554457
6. Editorial Independence22477775%677785%221423%
23445656472224
Overall assessment334545556546465
  • *Maximum score=7.

  • †Item descriptions are delineated in the AGREE II Instrument.9