1. Representative sample |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
2. Representative raters |
Yes |
Unclear |
Unclear |
Unclear |
Yes |
Unclear |
Unclear |
Yes |
Yes |
3. Blinding (other raters) |
N/A |
Unclear |
Unclear |
N/A |
Yes |
N/A |
N/A |
Yes |
Yes |
4. Blinding (own findings) |
Unclear |
Unclear |
Unclear |
Unclear |
No |
Unclear |
Unclear |
No |
N/A |
5. Blinding (reference/disease) |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
6. Blinding (clinical information) |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
7. Blinding (additional cues) |
Unclear |
Unclear |
Unclear |
Unclear |
Unclear |
Unclear |
Unclear |
Unclear |
Unclear |
8. Examination order varied |
Yes |
Yes |
No |
Unclear |
No |
No |
Yes |
No |
No |
9. Appropriate time interval |
Yes |
Yes |
Unclear |
Yes |
Yes |
Unknown |
Yes |
Yes |
Yes |
10. Test appropriate |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
11. Appropriate statistics |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Internal validity (%) (Q: 3-9) |
2/4 = 50.00 |
2/5 = 40.00 |
0/5 = 00.00 |
1/4 = 25.00 |
2/5 = 40.00 |
0/4 = 0.00 |
2/4 = 50.00 |
2/5 = 40.00 |
2/4 = 50.00 |
External validity (%) (Q: 1-2, 10) |
3/3 = 100 |
2/3 = 66.67 |
2/3 = 66.67 |
2/3 = 66.67 |
3/3 = 100 |
2/3 = 66.67 |
2/3 = 66.67 |
3/3 = 100 |
3/3 = 100 |
Percentage of Yes (%) |
6/8 = 75.00 |
5/9 = 55.56 |
3/9 = 33.33 |
4/8 = 50.00 |
6/9 = 66.67 |
3/8 = 37.50 |
5/8 = 62.50 |
6/9 = 66.67 |
6/8 = 75.00 |
Level of Evidence |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |