Table 3. Tumor Characteristics.

‡ Benign or lymphoma

3x Poverty: three-times federal poverty level; SEM: standard error of mean

Tumor Characteristics		Total (n = 437)		Below 3x Poverty (n = 50)		Above 3x Poverty (n = 387)	p-value
Tumor size, cm; mean ± SEM	3.3 ± 0.1		3.2 ± 0.2		3.3 ± 0.1		0.758
Pathology, n (%)
Primary lung cancer	405 (92.7%)		46 (92.0%)		359 (92.8%)		0.690
Pulmonary metastasis	28 (6.4%)		4 (8.0%)		24 (6.2%)		-
Other pathology‡	4 (0.9%)		0 (0.0%)		4 (1.0%)		-
Pathologic stage for primary lung cancer, n (%)
Stage IA	168 (38.4%)		16 (32.0%)		152 (39.3%)		0.802
Stage IB	53 (12.1%)		6 (12.0%)		47 (12.1%)		-
Stage IIA	59 (13.5%)		6 (12.0%)		53 (13.7%)		-
Stage IIB	28 (6.4%)		6 (12.0%)		22 (5.7%)		-
Stage IIIA	80 (18.3%)		10 (20.0%)		70 (18.1%)		-
Stage IIIB	6 (1.4%)		1 (2.0%)		5 (1.3%)		-
Stage IV	11 (2.5%)		1 (2.0%)		10 (2.6%)		-