Table 1. Significant associations observed between OB culture properties (dependent) and HPC properties (independent).

	Dependent Variable	n	Independent Variable	n	R2	p-value
1	AP Initial	6	Cell # Fold Increase	15	0.781	0.019
2	Ca Initial	6	Cell # Fold Increase	15	0.650	0.05
3	Ca Final	10	Cell # Fold Increase	15	0.682	0.003
4	Ca Final	10	CFU Fold Increase	15	0.738	0.001
5	Ca Final	9	%Lin-Sca1+ Fold Increase	13	0.624	0.01
6	Culture Duration	14	Cell # Fold Increase	15	0.588	0.001
7	Culture Duration	14	CFU Fold Increase	15	0.696	<0.001
8	Culture Duration	13	%Lin-Sca1+ Fold Increase	13	0.679	0.001
9	Culture Duration – Trypsin	29	Cell # Fold Increase	24	0.212	0.02
10	Culture Duration – Trypsin	29	CFU Fold Increase	24	0.542	<0.001
11	Culture Duration - Trypsin	29	%Lin-Sca1+ Fold Increase	22	0.383	0.002
12	Runx2	8	Cell # Fold Increase	15	0.845	0.03
13	Runx2	8	CFU Fold Increase	15	0.790	0.04
14	Runx2	8	%Lin-Sca1+ Fold Increase	13	0.874	0.02

AP – alkaline phosphatase activity, Ca – calcium deposition