Table 2.

Effect likelihood ratio tests cancer stage, nodal stage (N stage), baseline CTC number (log 2 transformed + 1) to predict recurrence and death

Recurrence	Adjusting for tumour stage				Mortality	Adjusting for tumour stage
	Term	DF	L-R ChiSquare	Prob > ChiSq	Term		DF	L-R ChiSquare	Prob > ChiSq
	Tumour Stage	3	10.07	0.018*		Tumour Stage	3	13.91	0.0030*
	Log2[CTC number baseline + 1]	1	4.23	0.040*		Log2[CTC number baseline + 1]	1	6.2	0.013*
	Adjusting for nodal stage					Adjusting for nodal stage
	Term	DF	L-R ChiSquare	Prob > ChiSq		Term	DF	L-R ChiSquare	Prob > ChiSq
	Nodal Stage	3	5.45	0.14		Nodal Stage	3	3.73	0.29
	Log2[CTC number baseline + 1]	1	4.01	0.045*		Log2[CTC number baseline + 1]	1	6.34	0.019*