Osteoporosis increases subsequent risk of gallstone: a nationwide population-based cohort study in Taiwan

BMC Gastroenterology

Table 2 Incidence of gallstone among the osteoporosis and comparison patients from 2003 to 2005 ( N =8190)

	Total		Patients with osteoporosis		Patients without osteoporosis
Gallstone cases	n	%	n	%	n	%
5-year follow-up period
Yes	425	5.2	114	7.0	311	4.7
No	7765	94.8	1524	93.0	6241	95.3
Crude HR (95% CI)				1.50 (1.21 - 1.86)*		1
Adjusted HR (95% CI)				1.35 (1.07 - 1.69)**		1

*p <0.001, **p <0.05.
Both crude and adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated using Cox proportional-hazard regressions stratified by age and sex.
Adjustments are made for sex, age, patients' monthly income, region, urbanization level, hypertension, hyperlipidemia, diabetes, cirrhosis, spinal cord injury, hormone replacement, and clofibrate.

ISSN: 1471-230X