Table 1:
Citation characteristics of journal sections (2010–2012) based on the first 2 years of citations
| Journal Category | No. | Mean | SD | Minimum | Maximum | Median | % with Citations in First 2 Years | VIF |
|---|---|---|---|---|---|---|---|---|
| Expedited Pub | 11 | 43.73 | 31.94 | 13 | 116 | 36 | 1.000 | 24.38 |
| Review | 53 | 9.38 | 7.95 | 0 | 38 | 7 | 0.981 | 5.23 |
| Interventional | 232 | 8.13 | 9.91 | 0 | 83 | 5 | 0.948 | 4.54 |
| Brain | 321 | 6.64 | 6.18 | 0 | 61 | 5 | 0.941 | 3.70 |
| Extracranial Vascular | 9 | 6.33 | 5.96 | 0 | 19 | 5 | 0.889 | 3.53 |
| Pediatrics | 98 | 5.22 | 4.99 | 0 | 36 | 4 | 0.949 | 2.91 |
| Othera | 68 | 5.12 | 6.18 | 0 | 31 | 3 | 0.868 | 2.85 |
| Functional | 34 | 4.91 | 3.75 | 0 | 17 | 4 | 0.941 | 2.74 |
| Head & Neck | 131 | 4.02 | 4.63 | 0 | 34 | 3 | 0.824 | 2.24 |
| Spine | 92 | 3.33 | 3.13 | 0 | 15 | 3 | 0.848 | 1.85 |
| Noncategorizedb | 77 | 1.91 | 3.92 | 0 | 19 | 0 | 0.403 | 1.06 |
Note:—Pub indicates Publication.
a
Other includes Patient Safety (n = 31), Pharmacology Vignette (n = 10), Research Perspectives (n = 9), Practice Perspectives (n = 7), Health Care Reform Vignette (n = 6), and Methodologic Perspective (n = 5).
b
While the citation characteristics for these noncategorized items (editorials, letters to the editor, and so forth) are presented here, they were not considered in the formula for determining the VIF correction factor.