Table E1. Frequency and Type of Study in Derivation Set of Journal Articles

Table E1

Note.—AJR = American Journal of Roentgenology, BJR = British Journal of Radiology, DS = derivation set. JNM = Journal of Nuclear Medicine.

* Includes all original papers, letters, editorials, and pictorial essays indexed in MEDLINE (ie, the derivation set).

^† Searched for 1 year, not 6 months.

^‡ American Journal of Neuroradiology was searched for 1988 (the first holding available locally), not 1985.

Table E2. Frequency and Type of Study in Validation Set of Journal Articles

Table E2

Note.—EJNM = European Journal of Nuclear Medicine, VS = validation set.

* Includes all original papers, letters, editorials, and pictorial essays indexed in MEDLINE (ie, the validation set).

Table E3. Sensitivities and PPVs of Search Terms Using DRS

Table E3

* Key to search terms:

/	Indicates MeSH term
exp	Explode function includes all narrower MeSH terms; MeSH terms marked with * were articles indexed as the main focus (Major MeSH)
du	Subheading term for diagnostic use
ra	Subheading term for radiography
ri	Subheading term for radionuclide imaging
us	Subheading term for ultrasonography
fs	Floating subheading
tw	Free text word
$	Truncation symbol

^† Numbers in parentheses are the number of records retrieved by the term from the DRS of 333 articles.

^‡ Numbers in parentheses are the number of records retrieved from the derivation set of 2555 articles.

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