Table 3.

Spearman correlation coefficient values for the correlation between chondrogenic outcome (GAG/DNA and histology scores) and baseline expression of genetic and surface markers.

	GAG/DNA (n = 15)		Histology score (n = 9)
	r	p values	r	p values
Genetic markers
SOX9	0.02	0.98	0.41	0.31
COL2A1	0.50	0.07a	−0.48	0.23
ACAN	0.33	0.25	−0.22	0.62
FRZB	−0.01	0.97	0.29	0.50
COL10A1	0.17	0.55	−0.57	0.14
ALK1	0.07	0.8	−0.29	0.48
Surface marker
CD49c	−0.20	0.40	−0.04	0.90
CD166	0.043	0.88	−0.18	0.64
CD39	−0.08	0.79	−0.25	0.52
CD271	0.44	0.11	0.08	0.85
CD73	−0.03	0.91	−0.14	0.71
CD90	−0.51	0.06a	−0.11	0.78
CD105	−0.28	0.30a	−0.16	0.69
CD14	−0.43	0.11	−0.38	0.32
CD34	−0.18	0.63	0.003	0.99

^aWhen the outlier of patient 4 was excluded from analyses, correlations were significant as follows: COL2A1 (r = 0.7, p = 0.006); CD90 (r = −0.6, p = 0.03); CD105 (r = −0.55, p = 0.04).