Incidental Computer Tomography Radiologic Findings through Research Participation in the North Texas Healthy Heart Study

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Figure 1.
Coronary calcium scores of participants (n = 513) in the North Texas Healthy Heart Study. *May not add up to 513 participants because of missing values.

Table 1. Characteristics of North Texas Healthy Heart Study Participants, Fort Worth, Texas, 2006 to 2008 (n = 513)

Variable	Participants^*
Age (years), mean (SD)	55.1 (8.0)
Sex
Female	320 (62.4)
Men	193 (37.6)
Race/ethnicity
Non-Hispanic white	144 (28.1)
Non-Hispanic black	178 (34.7)
Hispanic	191 (37.2)
Education
Less than high school	113 (22.0)
High school graduate/GED	104 (20.3)
Some college or higher	296 (57.7)
Smoked ≥100 cigarettes in one's life
Yes	217 (42.3)
No	289 (56.3)
Diabetes mellitus status
Yes	97 (18.9)
No	393 (76.6)
Hypertension status
Yes	262 (51.1)
No	127 (24.8)
Hyperlipidemia status
Yes	265 (51.7)
No	232 (45.2)
First-degree relative with history of coronary heart disease
Yes	251 (48.9)
No	248 (48.3)

Table 3. Computed Tomography Findings of Unknown Significance in the North Texas Healthy Heart Study (n = 307)

Findings	No.
Pulmonary nodules	151
Liver lesions (possible cysts or hemangiomas)	33
Questionable lymph nodes	5
Emphysematous change	11
Gynecological findings^*	17
Gallbladder findings^{^†}	9
Bronchiectasis	8
Renal cysts	11
Pulmonary cysts/indeterminate lesion	5
Breast lesions	5
Other	52

↵* Includes enlarged uterus or ovaries, uterine mass, uterine or ovarian cysts, and ovarian vein phlebolith; excludes atelectasis (n = 132).
↵† Includes irregularity of gallbladder, contracted gallbladder, dilated gallbladder, probable gallstones, and possible gallbladder sludge.