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Table 1 Baseline characteristics of the included cancer patients who died due to infectious disease

From: Infectious diseases as a cause of death among cancer patients: a trend analysis and population-based study of outcome in the United States based on the Surveillance, Epidemiology, and End Results database

  Overall Other infectious and parasitic diseases, including HIV Pneumonia and influenza Septicemia Syphilis Tuberculosis P value
n 151,440 47,310 72,133 31,119 35 843  
Age, mean (SD) in years 66.33 (17.18) 51.51 (17.11) 74.43 (11.82) 70.00 (12.77) 67.77 (17.33) 69.17 (12.92)  < 0.001
Sex (%)
Female 57,511 (38.0) 10,912 (23.1) 31,595 (43.8) 14,689 (47.2) 15 (42.9) 300 (35.6)  < 0.001
Male 93,929 (62.0) 36,398 (76.9) 40,538 (56.2) 16,430 (52.8) 20 (57.1) 543 (64.4)  
Survival, mean (SD) in months 65.31 (78.17) 38.12 (61.18) 81.09 (81.72) 70.14 (81.85) 74.10 (87.83) 57.43 (69.14)  < 0.001
Grade (%)
B-cell; pre-B; B-precursor 7818 (5.2) 4899 (10.4) 1898 (2.6) 1001 (3.2) 1 (2.9) 19 (2.3)  < 0.001
Moderately differentiated; Grade II 33,347 (22.0) 5243 (11.1) 19,510 (27.0) 8384 (26.9) 11 (31.4) 199 (23.6)  
NK cell; natural killer cell (1995+) 20 (0.0) 11 (0.0) 4 (0.0) 4 (0.0) 0 (0.0) 1 (0.1)  
Null cell; non-T-non-B 36 (0.0) 22 (0.0) 10 (0.0) 4 (0.0) 0 (0.0) 0 (0.0)  
Poorly differentiated; Grade III 20,022 (13.2) 3458 (7.3) 11,114 (15.4) 5330 (17.1) 3 (8.6) 117 (13.9)  
T-cell 709 (0.5) 428 (0.9) 182 (0.3) 96 (0.3) 0 (0.0) 3 (0.4)  
Undifferentiated; anaplastic; Grade IV 4096 (2.7) 1135 (2.4) 2002 (2.8) 933 (3.0) 2 (5.7) 24 (2.8)  
Unknown 72,008 (47.5) 30,021 (63.5) 29,289 (40.6) 12,279 (39.5) 15 (42.9) 404 (47.9)  
Well differentiated; Grade I 13,384 (8.8) 2093 (4.4) 8124 (11.3) 3088 (9.9) 3 (8.6) 76 (9.0)  
Laterality (%)
Bilateral, single primary 1198 (0.8) 739 (1.6) 290 (0.4) 160 (0.5) 2 (5.7) 7 (0.8)  < 0.001
Left—origin of primary 20,467 (13.5) 5006 (10.6) 10,792 (15.0) 4542 (14.6) 4 (11.4) 123 (14.6)  
Not a paired site 104,929 (69.3) 35,125 (74.2) 48,181 (66.8) 21,046 (67.6) 23 (65.7) 554 (65.7)  
Only one side—side unspecified 331 (0.2) 114 (0.2) 139 (0.2) 74 (0.2) 0 (0.0) 4 (0.5)  
Paired site, but no information concerning laterality 2177 (1.4) 949 (2.0) 879 (1.2) 326 (1.0) 0 (0.0) 23 (2.7)  
Paired site: midline tumour 31 (0.0) 8 (0.0) 15 (0.0) 8 (0.0) 0 (0.0) 0 (0.0)  
Right—origin of primary 22,307 (14.7) 5369 (11.3) 11,837 (16.4) 4963 (15.9) 6 (17.1) 132 (15.7)  
Race (%)
American Indian/Alaska Native 738 (0.5) 292 (0.6) 285 (0.4) 148 (0.5) 1 (2.9) 12 (1.4)  < 0.001
Asian or Pacific Islander 7494 (4.9) 2074 (4.4) 3948 (5.5) 1313 (4.2) 0 (0.0) 159 (18.9)  
Black 19,020 (12.6) 8249 (17.4) 5647 (7.8) 4951 (15.9) 10 (28.6) 163 (19.3)  
Unknown 711 (0.5) 213 (0.5) 423 (0.6) 68 (0.2) 0 (0.0) 7 (0.8)  
White 123,477 (81.5) 36,482 (77.1) 61,830 (85.7) 24,639 (79.2) 24 (68.6) 502 (59.5)  
Behavior (%)
Benign 1067 (0.7) 234 (0.5) 497 (0.7) 331 (1.1) 2 (5.7) 3 (0.4)  < 0.001
Borderline malignancy 2182 (1.4) 525 (1.1) 890 (1.2) 745 (2.4) 0 (0.0) 22 (2.6)  
In situ 8110 (5.4) 2188 (4.6) 4082 (5.7) 1796 (5.8) 4 (11.4) 40 (4.7)  
Malignant 140,081 (92.5) 44,363 (93.8) 66,664 (92.4) 28,247 (90.8) 29 (82.9) 778 (92.3)  
Marital status (%)
Divorced 10,617 (7.0) 3768 (8.0) 4358 (6.0) 2424 (7.8) 2 (5.7) 65 (7.7)  < 0.001
Married 64,925 (42.9) 12,993 (27.5) 35,789 (49.6) 15,691 (50.4) 17 (48.6) 435 (51.6)  
Separated 2043 (1.3) 566 (1.2) 1036 (1.4) 413 (1.3) 1 (2.9) 27 (3.2)  
Single 34,464 (22.8) 23,609 (49.9) 7133 (9.9) 3607 (11.6) 8 (22.9) 107 (12.7)  
Unknown 9519 (6.3) 2709 (5.7) 4562 (6.3) 2185 (7.0) 0 (0.0) 63 (7.5)  
Unmarried or domestic Partner 39 (0.0) 31 (0.1) 4 (0.0) 4 (0.0) 0 (0.0) 0 (0.0)  
Widowed 29,833 (19.7) 3634 (7.7) 19,251 (26.7) 6795 (21.8) 7 (20.0) 146 (17.3)