Table 1.

The difference of SBP1 expression between LSCC and normal bronchial epithelium

	n	Score			P value
		Low (0–2)	Moderate (3–4)	High (5–6)
NBE	66	9	24	33	0.000*
LSCC	66	42	18	6

*P < 0.05 by χ ² test