We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Pelvic Incidence Can Be Changed not only by Age and Sex, but also by Posture Used during Imaging.
- Authors
Ji Won Moon; James Ki Shinn; Dalsung Ryu; Se-Yang Oh; Yu Shik Shim; Seung Hwan Yoon
- Abstract
Objective: Computed tomography (CT), rather than conventional 2-dimensional radiography, was used to scan and measure pelvic parameters. The results were compared with measurements using X-ray. Methods: Pelvic parameters were measured using both CT and X-ray in 254 patients who underwent both abdomino-pelvic CT and X-ray at the pelvic site. We assessed the similarity of the pelvic parameters between the 2 exams, as well as the correlations of pelvic parameters with sex and age. Results: The mean values of the subjects' pelvic parameters measured on X-ray were: sacral slope (SS), 31.6°; pelvic tilt (PT), 18.6°; and pelvic incidence (PI), 50.2°. The mean values measured on CT were: SS, 35.1°; PT, 11.9°; and PI, 47.0°. PT was found to be 4.07° higher on X-ray and 2.98° higher on CT in women, with these differences being statistically significant (p<0.001, p<0.001). PI was 4.10° higher on X-ray and 2.78° higher on CT in women, with these differences also being statistically significant (p<0.001, p=0.009). We also observed a correlation between age and PI. For men, this correlation coefficient was 0.199 measured using X-ray and 0.184 measured using CT. For women, this correlation coefficient was 0.423 measured using X-ray and 0.372 measured using CT. Conclusion: When measured using CT compared to X-ray, SS increased by 3.5°, PT decreased by 6.7°, and PI decreased by 3.2°. There were also statistically significant differences in PT and PI between male and female subjects, while PI was found to increase with age.
- Subjects
COMPUTED tomography; RADIOGRAPHY
- Publication
Korean Journal of Spine, 2017, Vol 14, Issue 3, p77
- ISSN
1738-2262
- Publication type
Article
- DOI
10.14245/kjs.2017.14.3.77