Table 2

Material	Bio Oss^®	Bone Save^®	Pro Osteon™ 200R	Pro Osteon™ 500R	QUB HA
QUB HA Granule Size (mm)	0.25 – 2	2 – 8	0.5 – 1	2 – 10	0.3 - 2(φ)^c
Pore Size (μm)^b	200 – 900	300 – 500	150 – 220	200 – 650	9 - 11
Surface Area (m² g-1)^c	94.60	2.29	9.13	9.38	129.8
Porosity^d	90.65±1.97	85.01±5.61	87.17±7.13	88.67±11.84	88.47±3.21

^{a, b}Calculated by image analysis (n = 20)
^cCalculated using BET (r²=0.998; n = 3)
^dCalculated by MIP Theoretical Porosity (n = 3)

Table 2: Morphological characterization of CaPbone void fillers measured in-house.