Table 1.

Comparison regarding age.

	Age <60	60≤ age <70	70≤ age <80	Age ≥80
SVCF* (n=102)	2	31	63	6
Non-SVCF (n=548)	15	266	254	13

^*P=0.003, compared with non-SVCF group, by chi-squared test.

SVCF – secondary vertebral compression fracture.