Table 2

Bone area for age. Estimated mean and SD for bone area (cm2) by sex and age. The mean and SD are estimated for each sex by the LMS method (see methods)

Age (years)Mean (SD) girlsMean (SD) boys
6.5849  (143)829  (156)
7.0903  (148)897  (164)
7.5958  (153)960  (171)
8.01013  (157)1019  (176)
8.51071  (161)1075  (179)
9.01131  (165)1130  (183)
9.51195  (169)1190  (186)
10.01263  (173)1255  (190)
10.51332  (176)1325  (193)
11.01404  (180)1397  (196)
11.51479  (182)1470  (199)
12.01556  (185)1543  (200)
12.51637  (187)1616  (201)
13.01719  (189)1691  (202)
13.51802  (190)1771  (202)
14.01880  (190)1856  (201)
14.51947  (187)1941  (200)
15.01998  (183)2021  (198)
15.52032  (177)2093  (194)
16.02050  (170)2156  (188)
16.52058  (161)2208  (181)
17.02062  (152)2254  (173)
17.52067  (143)2287  (163)
18.02074  (134)2313  (153)
18.52083  (125)2335 (142)