Table 1.

Pairwise Pearson correlation coefficients between log-transformed IHH, PTCH1, GLI1, and SMO expression in osteosarcoma samples and P value for test of the null hypothesis that correlation is zero.

	NoMetDx (n = 32)				Large tumors (n = 15)				Small tumors (n = 15)
	log⁡IHH	log⁡PTCH1	log⁡SMO	log⁡GLI1	log⁡IHH	log⁡PTCH1	log⁡SMO	log⁡GLI1	log⁡IHH	log⁡PTCH1	log⁡SMO	log⁡GLI1
log⁡IHH	1.00	0.44 (P = 0.011)	0.20 (P = 0.27)	0.34 (P = 0.056)	1.00	0.56 (P = 0.029)	0.05 (P = 0.86)	0.39 (P = 0.15)	1.00	0.37 (P = 0.18)	0.28 (P = 0.31)	0.34 (P = 0.21)
log⁡PTCH1		1.00	0.52 (P = 0.002)	0.61 (P = 0.0002)		1.00	0.43 (P = 0.11)	0.44 (P = 0.10)		1.00	0.53 (P = 0.04)	0.70 (P = 0.004)
log⁡SMO			1.00	0.45 (P = 0.009)			1.00	0.24 (P = 0.40)			1.00	0.56 (P = 0.03)
log⁡GLI1				1.00				1.00				1.00

Bold text indicates statistically significant positive correlations.

Two patients have missing tumor size information.