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Table 1 Demographics and Clinical Characteristics of Patients with Colorectal Cancer in the Study

From: Prognoses of different pathological subtypes of colorectal cancer at different stages: A population-based retrospective cohort study

Variable All Patients (N = 384,996) Tumor Histology P value
AC (N = 349,891) MAC (N = 30,965) SRCC (N = 4140)  
Sex, No. (%) < .001
 Male 201,826 (52.4) 184,408 (52.7) 15,221 (49.2) 2197 (53.1)  
 Female 183,170 (47.6) 165,483 (47.3) 15,744 (50.8) 1943 (46.9)  
Age, y, No. (%) < .001
  ≤ 44 y 19,932 (5.2) 17,632 (5.0) 1819 (5.9) 481 (11.6)  
 45-59y 91,886 (23.9) 84,785 (24.2) 6151 (19.9) 950 (22.9)  
 60-74y 141,249 (36.7) 129,226 (36.9) 10,646 (34.4) 1377 (33.3)  
  ≥ 75y 131,929 (34.3) 118,248 (33.8) 12,349 (39.9) 1332 (32.2)  
Marital status, No. (%) < .001
 Unmarried 205,102 (53.3) 186,964 (53.4) 15,941 (51.5) 2197 (53.1)  
 Married 160,284 (41.6) 144,728 (41.4) 13,778 (44.5) 1778 (42.9)  
 Unknown 19,610 (5.1) 18,199 (5.2) 1246 (4.0) 165 (4.0)  
T, No. (%) < .001
 T0 567 (0.1) 499 (0.1) 60 (0.2) 8 (0.2)  
 Tis 14,784 (3.8) 14,650 (4.2) 108 (0.3) 26 (0.6)  
 T1 67,426 (17.5) 65,451 (18.7) 1692 (5.5) 283 (6.8)  
 T2 50,455 (13.1) 46,734 (13.4) 3550 (11.5) 171 (4.1)  
 T3 180,679 (46.9) 161,305 (46.1) 17,606 (56.9) 1768 (42.7)  
 T4 52,617 (13.7) 44,210 (12.6) 6884 (22.2) 1523 (36.8)  
 Tx 18,468 (4.8) 17,042 (4.9) 1065 (3.4) 361 (8.7)  
N, No. (%) < .001
 N0 230,313 (59.8) 212,807 (60.8) 16,251 (52.5) 1255 (30.3)  
 N1 89,719 (23.3) 80,920 (23.1) 7874 (25.4) 925 (22.3)  
 N2 53,294 (13.8) 45,509 (13.0) 6087 (19.7) 1698 (41.0)  
 NX 11,670 (3.0) 10,655 (3.0) 753 (2.4) 262 (6.3)  
M, No. (%) < .001
 M0 310,099 (80.5) 282,887 (80.9) 24,669 (79.7) 2543 (61.4)  
 M1 74,512 (19.4) 66,626 (19.0) 6291 (20.3) 1595 (38.5)  
 MX 385 (0.1) 378 (0.1) 5 (0.0) 2 (0.0)  
Stage, No. (%) < .001
 0 14,784 (3.8) 14,650 (4.2) 108 (0.3) 26 (0.6)  
 I 95,327 (24.8) 91,062 (26.0) 4007 (12.9) 258 (6.2)  
 II 98,990 (25.7) 87,722 (25.1) 10,643 (34.4) 625 (15.1)  
 III 101,383 (26.3) 89,831 (25.7) 9916 (32.0) 1636 (39.5)  
 IV 74,512 (19.4) 66,626 (19.0) 6291 (20.3) 1595 (38.5)  
Grade, No. (%) < .001
 I 32,258 (8.4) 29,373 (8.4) 2861 (9.2) 24 (0.6)  
 II 244,735 (63.6) 226,222 (64.7) 18,318 (59.2) 195 (4.7)  
 III 58,637 (15.2) 50,223 (14.4) 5603 (18.1) 2811 (67.9)  
 IV 7371 (1.9) 6053 (1.7) 853 (2.8) 465 (11.2)  
 Unknown 41,995 (10.9) 38,020 (10.9) 3330 (10.8) 645 (15.6)