Table 1

Mean bone mineral apparent density (BMADLS), bone mineral density of lumbar spine (BMDLS), and bone mineral density of total body (BMDTB) with standard deviations (SD) in boys and girls

BMADLS (g/cm3)BMDLS (g/cm2)BMDTB (g/cm2)
Age (y)MeanSDMeanSDMeanSD
Boys
4–4.90.2500.0360.5920.0620.7990.029
5–5.90.2620.0360.6310.0670.8190.034
6–6.90.2690.0360.6650.0730.8390.038
7–7.90.2730.0360.6940.0780.8590.043
8–8.90.2760.0360.7190.0840.8800.048
9–9.90.2780.0360.7420.0890.9000.053
10–10.90.2800.0360.7640.0950.9200.057
11–11.90.2820.0360.7910.1000.9420.062
12–12.90.2850.0360.8280.1060.9670.067
13–13.90.2900.0360.8860.1111.0000.072
14–14.90.3000.0360.9680.1171.0450.076
15–15.90.3150.0361.0640.1231.1030.081
16–16.90.3320.0361.1520.1281.1580.086
17–17.90.3490.0361.2140.1341.2000.091
18–18.90.3600.0361.2510.1391.2290.096
19–19.90.3670.0361.2710.1451.2510.100
20–20.90.3700.0361.2810.1501.2700.105
21–21.90.3720.0361.2860.1561.2870.110
22–22.90.3730.0361.2890.1621.3050.115
Girls
4–4.90.2800.0230.6310.0550.7900.048
5–5.90.2840.0250.6600.0630.8090.051
6–6.90.2880.0270.6890.0700.8270.053
7–7.90.2930.0290.7180.0780.8450.056
8–8.90.2970.0310.7470.0860.8640.058
9–9.90.3020.0320.7790.0940.8860.061
10–10.90.3090.0340.8190.1020.9130.063
11–11.90.3190.0360.8760.1090.9470.066
12–12.90.3350.0380.9570.1170.9900.068
13–13.90.3550.0401.0490.1251.0360.071
14–14.90.3720.0421.1280.1331.0790.073
15–15.90.3830.0431.1810.1411.1140.076
16–16.90.3910.0451.2140.1481.1390.078
17–17.90.3960.0471.2360.1561.1560.081
18–18.90.4010.0491.2520.1641.1680.083
19–19.90.4060.0511.2650.1721.1770.086
20–20.90.4100.0521.2770.1801.1840.088
21–21.90.4150.0541.2870.1871.1900.091
22–22.90.4190.0561.2970.1961.1960.093