Table 1.

Clinical characteristics of patients and corresponding frequency of tumorgraft establishment by variable.

Patient and tumor characteristics			Tumor take rate (%)
Parameter	Variable	Patients (n)		Significance*
Age	<60	13	85	NS
	≥60	13	85
Sex	Male	18	83	NS
	Female	8	88
Tobacco use	Non-smoker	7	100	NS
	Minimal use (<20 pack years)	1	100
	> Minimal use	18	78
Alcohol use	None/light	9	100	NS
	Moderate	6	83
	Heavy	11	73
T stage	T1 or T2	12	83	NS
	T3 or T4	14	86
Nodal status	Node negative	11	64	p=0.02
	Node positive	15	100
Differentiation	Well	11	82	NS
	Moderate	11	82
	Poor	4	100
HPV status	positive	8	100	NS
	negative	13	100
	Testing not done	5	20

^*The frequency of tumor take compared via Fisher's Exact Test (age, sex, T stage, nodal status, and HPV status) or Chi squared test (tobacco use, alcohol use, differentiation).