Table 1 Publications in the Journal of the AAGL (1994–2002) according to type. *Rounded figures
From: Levels of evidence in endoscopic research: a longitudinal survey
Publication type | N | %* |
|---|---|---|
Therapeutic trials | 549 | 63.4 |
Diagnostic trials | 14 | 1.6 |
Surveys (questionnaires) | 14 | 1.6 |
Essays without trial (guidelines, editorials, etc.) | 204 | 23.7 |
Describing technique | 40 | 4.6 |
Fundamental study | 19 | 2.2 |
Animal study | 22 | 2.5 |
Total | 862 |