Table 1.

The mean, standard deviation, minimum, and maximum values of K19 scores in normal oral epithelium, mild, moderate, severe oral epithelial dysplasia and OSCC grades

Diagnostic group	n	Mean K19 score	SD	Min. K19 score	Max K19 score
Normal oral epithelium	11	1.80	2.00	0.14	6.07
Mild epithelial dysplasia	22	3.40	2.93	0.51	12.42
Moderate epithelial dysplasia	8	21.00	11.72	10.27	40.61
Severe epithelial dysplasia	12	50.30	31.24	0	96.83
Well-differentiated OSCC	22	20.80	15.58	0	70.00
Moderately differentiated OSCC	10	60.80	36.81	0	96.50
Poorly differentiated OSCC	4	61.30	42.86	0	97.30