Table 1.
Distribution of included articles by journal and journal specialty
| 1990–1998 (n = 87) | 1999–2004 (n = 196) | 1990–2004 (n = 283) | ||||
| No. (%) studies | No. (%) studies | No. (%) studies | ||||
| By journal | ||||||
| Pharmacoeconomics (E H) | 10 | (11.5) | 18 | (9.2) | 28 | (9.9) |
| Medizinische Klinik (G M) | 9 | (10.3) | 6 | (3.1) | 15 | (5.3) |
| Gesundheitsökonomie & Qual.mgmt (G H) | 1 | (1.1) | 13 | (6.6) | 14 | (4.9) |
| Deutsche Medizinische Wochenschrift (G M) | 1 | (1.1) | 7 | (3.6) | 8 | (2.9) |
| European Heart Journal (E M) | 2 | (2.3) | 5 | (2.6) | 7 | (2.5) |
| Other (n = 146 journals)* | 64 | (73.6) | 147 | (75.0) | 211 | (74.6) |
| By journal specialty | ||||||
| Medical journals | 70 | (80.5) | 154 | (78.6) | 224 | (79.2) |
| Health economics/services journals | 17 | (19.5) | 42 | (21.4) | 59 | (20.9) |
* Summarized over extracted categories; (E) English-language journal; (G) German-language; (M) Medical journal; (H) Health economics/services journal