Table 2 Types of articles by country of origin
Article Type | Sweden (n = 6) | USA (n = 11) | UK (n = 8) | Spain (n = 1) | Switzerland (n = 1) | Germany (n = 1) | Canada (n = 2) | Multi-national (n = 2) |
|---|---|---|---|---|---|---|---|---|
Primary Research (n = 11) | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 |
RCT* Quasi-experimental Case series Chart review Evaluation/QI** | 4 1 0 0 0 | 0 1 1 1 1 | 1 0 0 0 1 | n/a | n/a | n/a | n/a | n/a |
All Other Articles (n = 21) |  | |||||||
Non-systematic review, consensus statement, expert opinion, recommendation | 1 | 7 | 6 | 1 | 1 | 1 | 2 | 2 |