A population-based follow-up study on gallstone disease among type 2 diabetics in Kinmen, Taiwan

Table 2 Sex- and age-specific incidence of gallstone disease among type 2 diabetics in Kinmen

Variable		Incidence of any gallstone disease
		No. of no GSD at first screening	New cases	Incidence density (% per year) (95%CI)
Sex
	Male	121	2	1.65
				(0.03-5.10)
	Female	160	8	5
				(2.29-9.31)
P-value				0.12
Age (yr)
	40-49	33	0	0
				(-)
	50-59	56	2	3.57
				(0.06-11.03)
	60-69	111	4	3.6
				(1.12-8.37)
	70+	81	4	4.94
				(1.53-11.47)
P-value				0.04
Total		281	10	3.56
				(1.78-6.24)