Table 3. Association of LKB1 mutations with KRAS, BRAF, and EGFR mutations in NSCLC tumours.

		LKB1 mutation
		+	−	P-value*
EGFR mutation	+	1	69	0.002
	−	33	207
K-Ras mutation	+	10	39	0.042
	−	24	237
B-Raf mutation	+	1	3	0.373
	−	33	273

^*Fisher's exact test.