Osteoporosis in adult Sri Lankan inflammatory bowel disease patients

Table 1 Characteristics of inflammatory bowel disease (IBD) patients and controls n (%), mean ± SD

	IBD patients (n = 111)	Controls (n = 333)	P value
Male:Female	43:68	129:204	1.000
Age (yr)	42.5 ± 14.19	43.8 ± 11.2	0.368
Postmenopausal women	29 (42.6)	83 (40.7)	0.778
Fractures	12 (10.8)	20 (6)	0.073
BMI (kg/m2)	21.3 ± 4.45	23.8 ± 4.47	< 0.001
Disease duration (yr)	5.66 ± 5.72
Corticosteroid use	74 (66.7)	3 (0.9)	< 0.001
Current smokers	4 (3.6)	29 (8.7)	0.094

Table 2 Disease location in IBD patients

	Frequency	Percent
Ulcerative
Distal	46	56.8
Left sided	23	28.4
Total	12	14.8
Total	81	100.0
Crohn’s disease
Upper GI	2	6.7
Small bowel	4	13.3
Colon	21	70.0
Small bowel & colon	3	10.0
Total	30	100.0

Table 3 Summary of multiple logistic regression analyses

Variable	Regression coefficient	P value	OR (95% CI)
Constant	-7.478
Age	0.78	0.001	1.081 (1.032-1.133)
Sex1
Female (pre-menopausal)	0.898	0.213	2.456 (0.597-10.108)
Female (menopausal)	1.271	0.024	3.563 (1.179-10.763)
Using steroids2	2.082	< 0.001	8.021 (2.693-23.891)

¹Comparison group is males;

²Comparison group is not using steroids.