Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Radiol. May 28, 2012; 4(5): 215-219
Published online May 28, 2012. doi: 10.4329/wjr.v4.i5.215
Table 1 Demographic data of 78 ankylosing spondylitis patients
ParameterNumber
Age (yr)
Mean33.87
Range18-56
Sex
Female25
Male53
Age at diagnosis (yr)
Mean27.05
Range8-54
Disease duration (yr)
Mean3.88
Range1-22
Smoking habit
Smokers31
Non-smokers47
Symtoms
Present27
Absent51
Chest expansion (cm)
Mean2.21
Range0.5-6