Table 1.

Aggregate and Stage-Stratified Crude 5-Year Overall Survival Probabilities of Non-Small Cell Lung Cancer Patients Who Underwent Surgery According to Facility Type, Adjusted for Patient-Level Variables

Variable	Community Cancer Program (n = 10,597)	Comprehensive Community Cancer Program (n = 71,271)	Integrated Network (n = 15,849)	Academic Cancer Program (n = 37,047)	NCI Program/Network (n = 18,139)
No. of deaths	4,345	25,975	5,484	12,073	4,964
5-yr overall survival	0.52 (0.51-0.53)	0.56 (0.56-0.57)	0.58 (0.57-0.59)	0.60 (0.59-0.61)	0.66 (0.65-0.66)
By tumor size, cm
≤ 3 (n = 97,143)	0.57 (0.56-0.59)	0.62 (0.61-0.63)	0.64 (0.63-0.65)	0.66 (0.65-0.67)	0.73 (0.72-0.73)
> 3-5 (n = 36,238)	0.47 (0.44-0.49)	0.50 (0.49-0.51)	0.51 (0.49-0.52)	0.52 (0.51-0.53)	0.57 (0.55-0.59)
> 5-7 (n = 11,802)	0.39 (0.35-0.42)	0.42 (0.41-0.44)	0.48 (0.45-0.51)	0.46 (0.44-0.48)	0.49 (0.45-0.52)
> 7 (n = 7,171)	0.31 (0.26-0.35)	0.34 (0.32-0.36)	0.32 (0.29-0.36)	0.40 (0.38-0.43)	0.42 (0.38-0.45)
By clinical stage
I (n = 91,309)	0.58 (0.57-0.59)	0.62 (0.62-0.63)	0.64 (0.63-0.65)	0.67 (0.0.66-0.68)	0.71 (0.70-0.72)
II (n = 15,296)	0.36 (0.33-0.40)	0.43 (0.41-0.44)	0.46 (0.43-0.49)	0.47 (0.45-0.49)	0.52 (0.49-0.55)
IIIA (n= 6,634)	0.28 (0.23-0.33)	0.34 (0.32-0.36)	0.34 (0.29-0.39)	0.37 (0.34-0.40)	0.42 (0.38-0.46)
Unknown (n = 39,664)	0.49 (0.47-0.51)	0.50 (0.50-0.51)	0.53 (0.52-0.55)	0.54 (0.53-0.55)	0.62 (0.0.60-0.63)
By pathologic stage
I (n = 102,674)	0.60 (0.58-0.61)	0.63 (0.63-0.64)	0.65 (0.64-0.66)	0.67 (0.67-0.68)	0.73 (0.72-0.74)
II (n = 26,837)	0.37 (0.35-0.40)	0.42 (0.41-0.43)	0.46 (0.44-0.48)	0.47 (0.45-0.48)	0.53 (0.51-0.55)
III (14,128)	0.27 (0.24-0.31)	0.32 (0.31-0.33)	0.34 (0.31-0.37)	0.34 (0.32-0.36)	0.41 (0.38-0.44)
IV (n = 1,734)	0.23 (0.16-0.31)	0.23 (0.20-0.26)	0.27 (0.20-0.34)	0.29 (0.25-0.34)	0.34 (0.27-0.40)
Unknown (n = 7,530)	0.48 (0.44-0.52)	0.54 (0.0.52-0.56)	0.56 (0.51-0.60)	0.57 (0.54-0.60)	0.60 (0.56-0.64)
By pathologic nodal status
pN0 (n = 115,337)	0.59 (0.57-0.60)	0.62 (0.62-0.63)	0.64 (0.63-0.65)	0.66 (0.65-0.67)	0.71 (0.70-0.72)
pN1 (n = 19,405)	0.32 (0.29-0.34)	0.38 (0.37-0.39)	0.41 (0.38-0.43)	0.42 (0.0.41-0.44)	0.50 (0.47-0.52)
pN2 (n = 10,915)	0.26 (0.22-0.0.30)	0.30 (0.29-0.32)	0.32 (0.29-0.36)	0.31 (0.29-0.33)	0.39 (0.36-0.42)
pN3 (n = 69)	0.15 (0.01-0.45)	0.36 (0.16-0.56)	0.17 (0.008-0.52)	0.38 (0.15-0.61)	0.32 (0.05-0.65)
pNX (n = 7,177)	0.45 (0.41-0.49)	0.49 (0.47-0.51)	0.53 (0.49-0.58)	0.53 (0.50-0.55)	0.57 (0.52-0.62)

Data are presented as No. or overall survival probability (95% CI). NCI = National Cancer Institute; pN0 = pathologic node-negative; pNX = resection without lymph node examination. P < .0001 for all survival comparisons.