Table 1.
Selected characteristics of persons diagnosed with an index cancer (cancer of the lung, colon, rectum, breast, prostate, or non-Hodgkin's lymphoma (NHL)) in Denmark 1982-2003, by history of cutaneous squamous cell carcinoma (SCC)
| Characteristics | Lung cancer | Colon cancer | Rectal cancer | |||
|---|---|---|---|---|---|---|
| + SCC (%) | - SCC (%) | + SCC (%) | - SCC (%) | + SCC (%) | - SCC (%) | |
| Total | 175 | 18,662 | 138 | 14,647 | 77 | 7,089 |
| Gender | ||||||
| Men | 140 (80) | 11,673 (63) | 87 (63) | 6,592 (45) | 60 (78) | 4,086 (58) |
| Women | 35 (20) | 6,989 (37) | 51 (37) | 8,055 (55) | 17 (22) | 3,003 (42) |
| Age group (years)a | ||||||
| 50-69 | 49 (28) | 11,471 (61) | 23 (17) | 5,968 (41) | 15 (19) | 3,383 (48) |
| 70-79 | 82 (47) | 5,895 (32) | 48 (35) | 5,479 (37) | 34 (44) | 2,487 (35) |
| 80-89 | 41 (23) | 1,241 (6.7) | 59 (43) | 2,958 (20) | 22 (29) | 1,107 (16) |
| 90-99 | 3 (1.7) | 55 (0.3) | 8 (5.8) | 242 (1.7) | 6 (7.8) | 112 (1.6) |
| Calendar periodb | ||||||
| 1982-1986 | 19 (11) | 3,798 (20) | 12 (8.7) | 3,023 (21) | 11 (14) | 1,565 (22) |
| 1987-1991 | 25 (14) | 3,866 (21) | 26 (19) | 3,219 (22) | 15 (19) | 1,557 (22) |
| 1992-1996 | 47 (27) | 4,101 (22) | 35 (25) | 3,324 (23) | 22 (29) | 1,578 (22) |
| 1997-2001 | 66 (38) | 4,832 (26) | 49 (36) | 3,549 (24) | 17 (22) | 1,683 (24) |
| 2002-2003 | 18 (10) | 2,065 (11) | 16 (12) | 1,532 (10) | 12 (16) | 706 (10) |
| Comorbidity levelc | ||||||
| Low | 81 (46) | 12,081 (65) | 81 (59) | 10,806 (74) | 54 (70) | 5,477 (77) |
| Moderate | 69 (39) | 5,306 (28) | 47 (34) | 3,221 (22) | 18 (23) | 1,365 (19) |
| High | 25 (14) | 1,275 (6.8) | 10 (7.3) | 620 (4.2) | 5 (6.5) | 247 (3.5) |
| Breast cancer | Prostate cancer | NHLd | ||||
| + SCC (%) | - SCC (%) | + SCC (%) | - SCC (%) | + SCC (%) | - SCC (%) | |
| Total | 113 | 10,418 | 186 | 21,364 | 56 | 6,963 |
| Gender | ||||||
| Men | - | - | 186 (100) | 21,364 (100) | 46 (82) | 3,896 (56) |
| Women | 113 (100) | 10,418 (100) | - | - | 10 (18) | 3,067 (44) |
| Age group (years)a | ||||||
| 50-69 | 25 (22) | 6,298 (60) | 18 (9.7) | 7,014 (33) | 11 (20) | 3,253 (47) |
| 70-79 | 38 (34) | 2,569 (25) | 83 (45) | 9,423 (44) | 21 (38) | 2,492 (36) |
| 80-89 | 40 (35) | 1,369 (13) | 77 (41) | 4,61 (22) | 20 (36) | 1,130 (16) |
| 90-99 | 10 (8.9) | 182 (1.8) | 8 (4.3) | 308 (1.4) | 4 (7.1) | 88 (1.3) |
| Calendar periodb | ||||||
| 1982-1986 | 6 (5.3) | 1,866 (18) | 20 (11) | 3,825 (18) | 8 (14) | 1,261 (18) |
| 1987-1991 | 18 (16) | 2,029 (19) | 30 (16) | 4,562 (21) | 10 (18) | 1,392 (20) |
| 1992-1996 | 28 (25) | 2,469 (24) | 39 (21) | 4,333 (20) | 13 (23) | 1,659 (24) |
| 1997-2001 | 44 (39) | 2,806 (27) | 69 (37) | 5,700 (27) | 15 (27) | 1,876 (27) |
| 2002-2003 | 17 (15) | 1,248 (12) | 28 (15) | 2,944 (14) | 10 (18) | 775 (11) |
| Comorbidity levelc | ||||||
| Low | 77 (68) | 8,406 (81) | 106 (57) | 14,554 (68) | 28 (50) | 5,183 (74) |
| Moderate | 29 (26) | 1,667 (16) | 58 (31) | 5,558 (26) | 20 (36) | 1,517 (22) |
| High | 7 (6.2) | 345 (3.3) | 22 (12) | 1,252 (5.9) | 8 (14) | 263 (3.8) |
aAge at index cancer diagnosis
bCalendar period of index cancer diagnosis
cThree levels of comorbidity were defined based on Charlson index scores of 0 (low), 1-2 (medium), and > 2 (high)
dIncludes the phenotypic variant chronic lymphocytic leukemia