Table 1.

Histomorphology assessments in OI and normal bone.

	Number of regions	Number of histology sections	Number of cells assessed
OI Bone	108	232	19,362
12 Patients	[W 48, L 60]	[W 103, L 129]	[W 10871, L 18491]
Normal Bone	104	217	18,522
11 Individuals	[W 25, L 79]	[W 53, L164]	[W 6525, L 11997]
Total	212	449	37,884
	[W 73, L 139]	[W 156, L 293]	[W 17396, L 20488]