Table IV.

Spearman’s rank correlation between immunoreactivity for HSP90, p53, E-cadherin and HPV in oral lichen planus (OLP) and oral squamous cell carcinomas (OSCC).

OLP	HSP90		p53		E-cadherin		HPV16/18
	r	p-value	r	p-value	r	p-value	r	p-value
HSP90			0.318	0.017	0.184	0.175	0.230	0.088
p53	0.318	0.017			0.068	0.618	0.197	0.146
E-cadherin	0.184	0.175	0.068	0.618			0.156	0.254
HPV16/18	0.230	0.088	0.197	0.146	0.156	0.254
OSCC
HSP90			0.095	0.449	0.181	0.146	-0.116	0.352
p53	0.095	0.449			0.100	0.423	0.117	0.350
E-cadherin	0.181	0.146	0.100	0.423			-0.120	0.337
HPV16/18	-0.116	0.352	0.117	0.350	-0.120	0.337

Bold values indicate statistical significance (p < 0.05). r: Spearman’s rank correlation coefficient.