Table 1 Characteristics of included reviews
Characteristic | Number (%) N = 65 | |
|---|---|---|
Number of primary studies in reviews, median [IQ range] | 16 [10–24] | |
Journal impact factor, median [IQ range] | 3.1 [2.4-4.1] | |
Type of test evaluated | Â | Â |
| Â | Imaging test | 36 (55) |
| Â | Laboratory test | 17 (26) |
| Â | Other | 12 (18) |
Publication | Â | Â |
| Â | Cochrane library | 1 (1) |
| Â | Other peer reviewed journals | 64 (99) |
Quality assessment tools | Â | Â |
| Â | No quality assessment | 5 (8) |
| Â | QUADAS | 44 (68) |
| Â | QUADAS-2 | 1 (1) |
| Â | STARD | 3 (5) |
| Â | Both QUADAS and STARD | 4 (6) |
Quality assessment of reliability studies | 1 (1) | |
Other checklists of quality criteria | 6 (9) | |
| Â | Unclear | 1 (1) |
Presentation of quality results* | Â | Â |
| Â | Table of individual quality items | 31 (48) |
| Â | Summary score | 18 (28) |
| Â | Summary graph | 12 (18) |
| Â | Narrative explanation | 7 (11) |
| Â | Other | 5 (8) |