Longitudinal analysis of vertebral fracture and BMD in a Canadian cohort of adult cystic fibrosis patients

Table 2 Vertebral fractures in the study cohort*

	Baseline n = 49			Follow-up n = 47^†
	No. of patients with fracture (at least one)	No. of patients without	Total No. fractures	No. of patients with fracture (at least one)	No. of patients without	Total No. fractures
New Vertebral Fracture (≥Grade 1)	-	-	-	4^a	43	4
All Vertebral Fracture^b (≥Grade 1)	8	41	12	10	37^c	15

*Mean length of follow-up between baseline and follow-up radiographs was 3.3 years (SD 1.4)
^†Of the two patients missing a follow-up radiograph, neither patient had a fracture present at baseline.
^aOne patient also had a prevalent fracture at baseline.
^bFor follow-up, this includes both prevalent and incident fractures.
^cOne patient had a fracture indicated at baseline but not on the follow-up radiograph.

ISSN: 1471-2474