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. 2014 Jul 8;47(4):636–641. doi: 10.1093/ejcts/ezu270

Table 1:

Baseline demographic and disease-specific characteristics, stratified by treatment strategy

Characteristics Surgical approach
No surgery (n = 10 258) Surgery (n = 7120) P-value
Age (years) 70 (62, 77) 67 (58, 73) <0.001
Sex
 Female 3820 (37.2%) 2734 (38.4%) 0.13
 Male 6438 (62.8%) 4386 (61.6%)
Race
 White 8315 (81.1%) 6049 (85%) <0.001
 Black 1415 (13.8%) 643 (9%)
 Other 528 (5.1%) 428 (6%)
Marital status
 Married 5242 (51.1%) 4414 (62%) <0.001
 Not married 4657 (45.4%) 2485 (34.9%)
 Unknown 359 (3.5%) 221 (3.1%)
N-stage
 0 3963 (38.6%) 4634 (65.1%) <0.001
 1 953 (9.3%) 1351 (19%)
 2 5342 (52.1%) 1135 (15.9%)
Radiation Tx 7342 (73.1%) 3290 (47.3%) <0.001