Table 2.

Epithelial thickness and density of the inflammatory infiltrate in connective tissue of erosive and reticular oral lichen planus (OLP) lesions. Values are reported as the mean (range) and 95% confidence interval

		Confidence interval
		Minimum	Maximum	P value*
Epithelial thickness (μm)
Erosive OLP	81.7 (49.7–142.5)	67.5	96.0	0.004
Reticular OLP	192.4 (46.5–480.9)	123.4	261.4
Density of the inflammatory infiltrate (μm)
Erosive OLP	154.6 (63.2–372.7)	109.3	199.9	0.048
Reticular OLP	216.4 (79.0–366.2)	171.2	261.5

^*Student t-test.