Table 2.

Male and Female mean and standard deviation for T10-L4 VFA and VFRA split by contrast status, vertebra level.

			Female			Male
			n	Mean	SD	n	Mean	SD
VFA (cm2)	Contrast	T10	283	52.1	28.7	165	98.2	55.7
		T11	814	51.6	35.5	494	107.6	68.0
		T12	1024	58.6	44.1	625	123.9	79.6
		L1	1040	69.6	49.8	635	140.3	85.6
		L2	1036	74.3	50.5	633	141.4	85.3
		L3	1025	77.0	50.9	627	131.9	78.7
		L4	966	79.8	45.6	580	116.3	63.4
	Non-contrast	T10	283	55.6	28.8	165	97.1	52.6
		T11	814	53.9	35.5	494	109.6	69.0
		T12	1024	60.7	45.7	625	127.6	82.3
		L1	1040	71.7	52.1	635	145.0	89.1
		L2	1036	77.9	53.7	633	148.0	89.7
		L3	1025	81.9	53.7	627	141.1	82.5
		L4	966	84.9	48.3	580	123.5	66.3
VFRA (HU)	Contrast	T10	283	− 97.0	5.2	165	− 99.9	4.8
		T11	814	− 94.7	5.2	494	− 98.3	5.4
		T12	1024	− 92.4	5.9	625	− 96.2	5.8
		L1	1040	− 92.2	6.4	635	− 95.5	6.3
		L2	1036	− 93.4	6.4	633	− 96.6	6.7
		L3	1025	− 94.8	6.1	627	− 97.8	6.4
		L4	966	− 95.3	5.4	580	− 96.7	5.9
	Non-contrast	T10	283	− 98.1	5.2	165	− 101.0	4.5
		T11	814	− 96.0	5.9	494	− 98.8	5.2
		T12	1024	− 92.8	5.9	625	− 95.9	5.4
		L1	1040	− 90.8	6.2	635	− 94.3	6.1
		L2	1036	− 91.9	6.1	633	− 95.4	6.4
		L3	1025	− 93.5	5.8	627	− 96.5	6.4
		L4	966	− 93.8	5.1	580	− 95.2	5.8

All measures use the − 205 to − 51 HU reference range.