Table 2. Refracture Rate according to First Osteoporotic Fracture Site.

	Number of subject	Location of re-fracture
		Total		Spine		Humerus		Wrist		Hip
		n	%	n	%	n	%	n	%	n	%
Total	18956	2941	15.50	1424	7.51	297	1.57	467	2.46	753	3.97
Location of first fracture
Spine	8600	1116	12.98	1103	12.83	0	0.00	5	0.06	8	0.09
Humerus	829	333	40.17	4	0.48	297	35.83	30	3.62	2	0.24
Wrist	6243	677	10.84	259	4.15	0	0.00	414	6.63	4	0.06
Hip	3284	815	24.82	58	1.77	0	0.00	18	0.55	739	22.50