Clinical implications of heat shock protein 70 in oral carcinogenesis and prediction of progression and recurrence in oral squamous cell carcinoma patients: a retrospective clinicopathological study

Table 4 Multiple comparisons among three grades of dysplasia in the free surgical margin group considering HSP70 expression utilizing one-way ANOVA post hoc test

(I) Dysplasia grade	(J) Dysplasia grade	Mean difference (I-J)	Std. error	Sig.	95% confidence interval
(I) Dysplasia grade	(J) Dysplasia grade	Mean difference (I-J)	Std. error	Sig.	Lower bound	Upper bound
Mild epithelial dysplasia	Moderate epithelial dysplasia	− 0.500^*	0.210	0.029	− 0.94	− 0.06
Mild epithelial dysplasia	Sever epithelial dysplasia	− 0.600^*	0.222	0.015	− 1.07	− 0.13
Moderate epithelial dysplasia	Mild epithelial dysplasia	0.500^*	0.210	0.029	0.06	0.94
Moderate epithelial dysplasia	Sever epithelial dysplasia	− 0.100	0.241	0.684	− 0.61	0.41
Sever epithelial dysplasia	Mild epithelial dysplasia	0.600^*	0.222	0.015	0.13	1.07
Sever epithelial dysplasia	Moderate epithelial dysplasia	0.100	0.241	0.684	− 0.41	0.61

ISSN: 2047-783X