. 2016 Jul 6;101(9):3516–3525. doi: 10.1210/jc.2016-1334

Table 4.

qBEI Results

BMDD	Controls^*	Proband 1	Proband 2	Proband 3	Proband 4	Proband 5	Proband 6	OI Type I^**	OI Type VII^***
Cancellous bone	n = 54							n = 19	n = 4
Ca_Mean [wt% Ca]	20.95 (0.57)	21.79	21.02	23.02	21.72	22.70	22.43	22.43 (0.63)	21.65 [21.48; 21.75]
Ca_Peak [wt% Ca]	21.66 (0.52)	23.74	23.40	24.09	23.05	24.24	25.13	23.39 (0.57)	22.43 [22.30; 22.49]
Ca_Width [Δwt% Ca]	3.47 [3.12; 3.64]	2.95	4.33	2.78	3.64	3.15	4.33	3.08 (0.28)	3.21 [3.04; 3.29]
Ca_Low [% bone area]	6.14 [4.90; 7.99]	11.89	15.09	8.16	9.66	10.19	12.79	5.94 (2.05)	6.04 [5.72; 6.46]
Ca_High [% bone area]	0.89 [0.43; 1.47]	10.45	12.42	21.33	9.21	20.04	33.95	7.54 [5.00; 11.82]	2.52 [1.96; 3.20]
Cortical bone	n = 53							n = 19	n = 4
Ca_Mean [wt% Ca]	20.45 [19.68; 21.04]	21.90	22.34	22.32	22.46	NA	NA	22.51 (0.46)	21.72 [21.71; 21.87]
Ca_Peak [wt% Ca]	21.14 [20.62; 21.75]	23.57	23.74	23.22	23.57	NA	NA	23.29 (0.48)	22.75 [22.40; 23.11]
Ca_Width [Δwt% Ca]	3.81 [3.38; 4.38]	3.29	3.47	3.29	3.30	NA	NA	3.28 (0.25)	4.10 [3.64; 4.57]
Ca_Low [% bone area]	9.06 [6.22; 15.00]	9.95	8.20	6.72	6.78	NA	NA	4.60 (0.80)	6.01 [5.41; 7.87]
Ca_High [% bone area]	0.46 [0.28; 1.22]	10.84	13.62	10.32	12.13	NA	NA	8.60 (4.00)	8.11 [4.83; 11.14]

Abbreviation: NA, not available. Reference data are shown as mean (SD) or median [25%; 75%] for healthy children* (28), children with OI type I** (29), and patients with OI type VII*** (30). BMDD values for cortical bone in children with OI type I were not published previously.