Calcaneal BMD Obtained by Dual X-Ray and Laser Predicts Future Hip Fractures—A Prospective Study on 4 398 Swedish Women

Table 2

The number of individuals with different T-scores, their mean age with 1 standard deviation within parenthesis, the number of fractures, observation years and the annual fracture rate.

T-score	Number	Mean Age	Fractures	Observation years		Annual fracture rate
$<$−6	12	82 (8)	6	24		25%
$-6<$−5	57	81 (9)	11	175		6.3%
$-5<$−4	315	78 (7)	34	1134		3.0%
$-4<$−3	772	73 (8)	34	3128		1.1%
$-3<$−2	1297	70 (8)	25	5174		0.48%
$-2<$−1	1254	67 (8)	13	4855		0.27%
$-1<$0	494	65 (7)	5	1928
$0<1$	153	64 (7)	2	594
$1<2$	22	64 (8)	0	112
$2<3$	11	63 (6)	0	65	2779	0.25%
$3<4$	4	63 (6)	0	30
$4<5$	6	66 (1)	0	42
$5<6$	1	56	0	8
$<-2.5$	1769	74 (8)	101	6919		1.5%