Table 1 Characteristics of included systematic reviews of prognosis studies
From: Systematic reviews of prognosis studies: a critical appraisal of five core clinical journals
Field | Number of primary studies included in reviews | ANN INT MED | BMJ | CIRCUL | JAMA | STROKE | ALL |
|---|---|---|---|---|---|---|---|
Cardiovascular diseases | <10 | 0 | 6 | 3 | 4 | 3 | 16 |
11–25 | 6 | 4 | 10 | 8 | 2 | 30 | |
>25 | 2 | 6 | 7 | 6 | 1 | 22 | |
Neurologya and psychiatry | <10 | 0 | 0 | 0 | 0 | 10 | 10 |
11–25 | 0 | 5 | 0 | 3 | 18 | 26 | |
>25 | 0 | 0 | 1 | 2 | 11 | 14 | |
Oncology | <10 | 2 | 0 | 0 | 1 | 0 | 3 |
11–25 | 1 | 3 | 0 | 1 | 0 | 5 | |
>25 | 1 | 1 | 0 | 3 | 0 | 5 | |
Endocrinology | <10 | 1 | 2 | 2 | 0 | 0 | 5 |
11–25 | 0 | 1 | 0 | 1 | 0 | 2 | |
>25 | 0 | 1 | 1 | 0 | 0 | 2 | |
Otherb | <10 | 4 | 2 | 1 | 5 | 0 | 12 |
11–25 | 7 | 6 | 0 | 9 | 0 | 22 | |
>25 | 6 | 9 | 0 | 8 | 1 | 24 | |
TOTAL | Â | 30 | 46 | 25 | 51 | 46 | 198 |