|
Composition of Reference Standard |
||||||
| Study design |
Total |
MEDLINE |
EMBASE |
|||
| N |
% |
N |
% |
N |
% |
|
|
|
||||||
| Comparative – prospective |
19 |
(8.7) |
18 |
(8.7) |
16 |
(8.4) |
| Comparative – retrospective |
16 |
(7.4) |
14 |
(6.8) |
13 |
(6.8) |
| Case series – prospective |
104 |
(47.9) |
99 |
(48.1) |
93 |
(48.7) |
| Case series – retrospective |
70 |
(32.3) |
67 |
(32.5) |
61 |
(31.9) |
| Case series – unclear |
8 |
(3.7) |
8 |
(3.9) |
8 |
(4.2) |
|
|
||||||
| TOTAL |
217 |
(100.0) |
206 |
(100.0) |
191 |
(100.0) |
Fraser et al. BMC Medical Research Methodology 2006 6:41 doi:10.1186/1471-2288-6-41 |
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