Table 1.

Patient Characteristics

Variable	Levels	Frequency	Percentage
Gender
	Male	210	40.9%
	Female	303	59.1%
Race
	African American	67	13.3%
	Caucasian	399	79.0%
	Asian American	17	3.4%
	Hispanic	3	0.6%
	Other	19	3.8%
Smoking Status
	Never Smoker	104	20.4%
	Former Smoker	354	69.5%
	Current Smoker	51	10.0%
Histology
	Adenocarcinoma	405	79.6%
	Squamous	46	9.0%
	Adenosquamous	16	3.1%
	Poorly differentiated	30	5.9%
	Large cell	9	1.8%
	Sarcomatoid	1	0.2%
	Pleomorphic	1	0.2%
	NOS*	1	0.2%
Subcutaneous Mets
	No	495	98.6%
	Yes	7	1.4%
Surgery as part of treatment
	No	239	47.6%
	Yes	263	52.4%
Disease status
	Localized	138	27.3%
	Recurrent, extrathoracic	33	6.5%
	Recurrent, intrathoracic	46	9.1%
	Metastatic extrathoracic	191	37.7%
	Metastatic intrathoracic	98	19.4%

^*NOS refers to NSCLC Not Otherwise Specified