Table 1.

Baseline characteristics, treatment-related variables, and long-term outcomes in all patients with clinical stage I NSCLC who received surgery vs. SBRT. This table shows an unmatched comparison.

	Surgery (n=111731)		SBRT (n=5887)		P value
Age (years)	67.9 ± 9.9		74.7 ± 8.7		<.001
Female Gender	59338 (53.1%)		3208 (54.5%)		0.039
Caucasian	110560 (90.0%)		5354 (90.9%)		0.019
Urban Location	73644 (65.9%)		3998 (67.9%)		0.002
Income >$35000/year	71481 (67.5%)		3806 (68.0%)		0.473
Charlson/Deyo Score (available total n=90391, surgery 84504, SBRT 5887)	0	42761 (50.6%)	0	3489 (59.3%)	<.001
	1	30401 (36.0%)	1	1603 (27.2%)
	2	11342 (13.4%)	2	795 (13.5%)
Tumor Size (mm)	24.1 ± 10.7		23.4 ± 9.5		<.001
Clinical T stage	T1	80184 (71.8%)	T1	4477 (76.0%)
	T2	31547 (28.2%)	T2	1410 (24.0%)
Facility Reporting Case	Nonacademic 72174 (64.6%)		Nonacademic 3470 (58.9%)		<.001
	Academic 39557 (35.4%)		Academic 2417 (41.1%)
Type of operation	Lobectomy 82749 (74.1%) Wedge 22010 (19.7%) Segment 4282 (3.8%) Pneumonectomy 2690 (2.4%)
Chemotherapy administered	12514 (11.3%)		241 (4.1%)		<0.001
Radiation administered	5694 (5.1%)		5887 (100%)		<0.001
Median radiation dose (cGy)	5400 (n=2798)		5400 (n=5887)
Median Survival (months)	68.4 ± 0.4		33.3 ± 0.8		<.001