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Table 3: 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.

Journal Type	1-Year Impact Factor		5-Year Impact Factor
Journal Type	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)	.29	2.66 (2.02–3.29)	.39