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Table 1 Basic characteristics in distinct ABO blood type groups of patients with non-small cell lung cancer (NSCLC)

From: Prognostic role of the ABO blood types in Chinese patients with curatively resected non-small cell lung cancer: a retrospective analysis of 1601 cases at a single cancer center

Characteristic ABO blood type P valuea
O A B AB
Total (cases) 627 443 425 106  
Age
 Median (years) 59 59 59 59  
 Range (years) 30–82 24–80 19–84 23–81  
 <55 years [cases (%)] 156 (25.2) 135 (31.8) 207 (33.0) 32 (30.2) 0.11
 55–64 years [cases (%)] 137 (30.9) 171 (40.2) 239 (38.1) 43 (40.6)  
 >64 years [cases (%)] 150 (33.9) 119 (28.0) 181 (28.9) 31 (29.2)  
Sex [cases (%)]      0.20
 Males 451 (71.9) 329 (74.3) 297 (69.9) 81 (76.4)  
 Females 176 (28.1) 114 (25.7) 128 (30.1) 25 (23.6)  
ECOG PS score [cases (%)]      0.94
 0 305 (48.6) 211 (47.6) 199 (46.8) 52 (49.1)  
 1 322 (51.4) 232 (52.4) 226 (53.2) 54 (50.9)  
Smoking status [cases (%)]      0.21
 Never 243 (38.8) 177 (40.0) 185 (43.5) 37 (34.9)  
 Former 74 (11.8) 59 (13.3) 35 (8.2) 13 (12.3)  
 Current 310 (49.4) 207 (46.7) 205 (48.2) 56 (52.8)  
Pathology [cases (%)]      0.67
 Squamous cell carcinoma 242 (38.6) 149 (33.6) 142 (33.4) 38 (35.8)  
 Adenocarcinoma 327 (52.2) 256 (57.8) 250 (58.8) 58 (54.7)  
 Adenosquamous carcinoma 41 (6.5) 24 (5.4) 21 (4.9) 7 (6.6)  
 Others 17 (2.8) 14 (3.2) 12 (2.8) 3 (1.8)  
pT category [cases (%)]      0.80
 1 112 (17.9) 81 (18.3) 68 (16.0) 17 (16.0)  
 2 393 (62.7) 274 (61.9) 288 (67.8) 68 (64.2)  
 3 70 (11.2) 50 (11.3) 43 (10.1) 14 (13.2)  
 4 52 (8.3) 38 (8.6) 26 (6.1) 7 (6.6)  
pN category [cases (%)]      0.62
 0 372 (59.3) 239 (54.0) 232 (54.6) 62 (58.5)  
 1 77 (12.3) 60 (13.5) 62 (14.6) 14 (13.2)  
 2 178 (28.4) 144 (32.5) 131 (30.8) 30 (28.3)  
pTNM stage [cases (%)]      0.88
 Ia 80 (12.8) 58 (13.1) 52 (12.2) 13 (12.3)  
 Ib 231 (36.8) 144 (32.5) 155 (36.5) 37 (34.9)  
 IIa 18 (2.9) 11 (2.5) 10 (2.4) 1 (0.9)  
 IIb 91 (14.5) 62 (14.0) 59 (13.9) 20 (18.9)  
 IIIa 207 (33.0) 168 (37.9) 149 (35.0) 35 (33.0)  
Surgery type [cases (%)]      0.97
 Lobectomy 506 (80.7) 356 (80.4) 344 (80.9) 87 (82.1)  
 Pneumonectomy 96 (15.3) 66 (14.9) 67 (15.8) 15 (14.2)  
 Others 25 (4.0) 21 (4.7) 14 (3.3) 4 (3.7)  
Chemotherapy [cases (%)]      0.81
 Neoadjuvant + adjuvant 14 (2.2) 13 (2.9) 13 (3.1) 3 (2.8)  
 Neoadjuvant only 19 (3.0) 11 (2.5) 11 (2.6) 6 (5.7)  
 Adjuvant only 389 (62.0) 287 (64.8) 272 (64.0) 66 (62.3)  
 No 205 (32.7) 132 (29.8) 129 (30.4) 31 (29.2)  
  1. ECOG PS Eastern Cooperative Oncology Group performance status, pT category pathologic tumor category, pN category pathologic node category, pTNM stage pathologic tumor-node-metastasis stage
  2. aχ2 test (multigroup comparison)