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Table 1 Characteristics of patients with stage IA non–small-cell lung cancer ≤1 cm

From: Surgical choice for patients with stage I non-small-cell lung cancer ≤2 cm: an analysis from surveillance, epidemiology, and end results database

Characteristic Lobectomy (N = 1768) Segmentectomy (N = 182) Wedge resection (N = 995) P
Age     < 0.001
 < 60 y 484 (27) 30 (16) 188 (19)  
 60–74 y 1012 (57) 109 (60) 588 (59)  
 ≥ 75y 272 (16) 43 (24) 219 (22)  
Gender     0.877
 Male 675 (38) 73 (40) 381 (38)  
 Female 1093 (62) 109 (60) 614 (62)  
Race
 White 1470 (83) 155 (85) 812 (82) 0.890
 Black 133 (7) 12 (7) 80 (8)  
 Hispanic 68 (4) 6 (3) 39 (4)  
 Asian 82 (5) 9 (5) 54 (5)  
 Other 15 (1) 0 (0) 10 (1)  
Side     < 0.001
 Left 647 (37) 93 (51) 412 (41)  
 Right 1121 (63) 89 (49) 583 (59)  
Location     0.003
 Upper 1135 (64) 113 (62) 650 (65)  
 Middle 126 (7) 2 (1) 52 (5)  
 Lower 507 (29) 67 (37) 293 (30)  
Grade     0.090
 Grade I 521 (29) 52 (28) 310 (31)  
 Grade II 705 (40) 78 (43) 340 (34)  
 Grade III 338 (19) 31 (17) 206 (21)  
 Grade IV 17 (1) 3 (2) 17 (2)  
 Unknow 187 (11) 18 (10) 122 (12)  
Histology     0.153
 sq 330 (19) 29 (16) 191 (19)  
 ad 1053 (59) 119 (65) 570 (57)  
 BAC 228 (13) 19 (10) 121 (12)  
 Large cell 37 (2) 7 (4) 25 (3)  
 Other 120 (7) 8 (4) 88 (9)  
  1. Abbreviations: sq. Squamous cell carcinoma, ad Adenocarcinoma, BAC Bronchoalveolar carcinoma