Table 4 R 2 values after adjustment in multiple regression analysis a
From: Bibliometrics of systematic reviews: analysis of citation rates and journal impact factors
Factors adjusted for in multiple regression | R 2values |
|---|---|
Journal impact factor | 0.592 |
Journal impact factor and intervention type | 0.806 |
Journal impact factor and country location of first author | 0.763 |
Journal impact factor and number of authors | 0.759 |
Journal impact factor and ICD-10 code | 0.692 |
Journal impact factor and international collaboration | 0.619 |