Mean Impact Factors of included radiology and clinical journals
| Journal Type | 1-Year Impact Factor | 5-Year Impact Factor | ||
|---|---|---|---|---|
| Mean (95% CI) | P Value | Mean (95% CI) | P Value | |
| Radiology | 1.80 (1.25–2.36) | .29 | 1.87 (1.20–2.54) | .39 |
| Clinical | 2.84 (2.17–3.51) | 2.66 (2.02–3.29) | ||
Note:—Journals with no listed impact factor were assigned values of “0” for the analysis in this table.