Table 3.

Distribution of DDCmRNA expression^ain head and neck squamous cell carcinomas and in non-cancerous counterparts

Tissue	Cancerous samples			Non-cancerous samples
	Mean ± SEb	Median	Range	Mean ± SEb	Median	Range
Pharynx	5.51 ± 4.66	0.20	0.05 – 23.98	4.21 ± 3.5	1.07	0.05 – 14.65
Buccal mucosa	2.71 ± 2.66	0.05	0.05 – 13.33	-	-	-
Parotid glands	2.23 ± 1.88	0.10	0.05 – 9.69	0.31 ± 0.26	0.05	0.05 – 1.07
Nasal cavity	0.39 ± 0.24	0.23	0.05 – 1.05	8.75 ± 8.69	0.05	0.05 – 26.13

^a a.u.: arbitrary units.

^b Standard error of the mean.