Updated bone mineral density status in Saudi patients with inflammatory bowel disease

Table 3 Comparison of dual x-ray energy absorptiometry-scan parameters in the Crohn’s disease and ulcerative colitis groups

Parameters	CD (62 pts)	UC (28 pts)	P value
Mean t-score femur	-0.94 ± 1.27	-0.51 ± 0.9	NS
Mean z-score femur	-0.67 ± 1.06	-0.33 ± 0.82	NS
Mean t-score lumbar	-0.97 ± 1.46	-0.49 ± 1.27	< 0.05
Mean z-score lumbar	-0.45 ± 1.32	-0.29 ± 1.26	NS
Mean lowest t-score	-1.35 ± 0.91	-0.84 ± 0.03	< 0.05
Osteopenia (%)1	37	25	< 0.05
Osteoporosis (%)1	19	7	< 0.05

¹Bone mineral density measurement is based on the lowest t-score. CD: Crohn’s disease; UC: Ulcerative colitis; pts: Patients; NS: Not significant.