Table 1.
The demographic characteristics of early-stage female cancer patients with different time delay intervals
| Variables | Subgroup | No. (%) of patients or median (range) | ||||
|---|---|---|---|---|---|---|
| Lung (n = 12,617) | Breast (n = 166,051) | Thyroid (n = 31,096) | Colorectal (n = 23,550) | Cervical (n = 8347) | ||
| Follow-up time (m) | – | 57 (0–119) | 75 (0–119) | 78 (0–119) | 71 (0–119) | 71 (0–119) |
| Time intervals (m) | – | 1 (0–6) | 1 (0–6) | 0 (0–6) | 0 (0–6) | 1 (0–6) |
| Age, mean (SD), y | – | 68.11 ± 9.67 | 59.03 ± 12.17 | 45.30 ± 13.87 | 64.88 ± 12.41 | 46.45 ± 13.11 |
| Race | White | 10,543 (83.6) | 132,670 (79.9) | 25,190 (81.0) | 18,477 (78.5) | 6504 (77.9) |
| Black | 1158 (9.2) | 16,277 (9.8) | 2285 (7.4) | 2732 (11.6) | 906 (10.9) | |
| Othera | 916 (7.2) | 17,105 (10.3) | 3621 (11.6) | 2341 (9.9) | 936 (11.2) | |
| Otherb | 344 (2.7) | 54,565 (32.9) | 31,096 (100.0) | 284 (1.2) | 8346 (100.0) | |
| Grade | I | 2249 (17.8) | 39,305 (23.7) | 6939 (22.3) | 2517 (10.7) | 1410 (16.9) |
| II | 4936 (39.1) | 72,688 (43.8) | 1018 (3.3) | 16,964 (72.0) | 2929 (35.1) | |
| III/IV | 3603 (28.5) | 49,759 (29.9) | 117 (0.4) | 2813 (11.9) | 2005 (24.0) | |
| Unknown | 1829 (14.6) | 4299 (2.6) | 23,022 (74.0) | 1256 (5.3) | 2002 (24.0) | |
| Stagec | I | 9321 (73.9) | 99,026 (59.6) | 28,776 (92.5) | 11,229 (47.7) | 6566 (78.7)e |
| II | 3296 (26.1) | 67,025 (40.4) | 2320 (7.5) | 12,321 (52.3) | 1780 (21.3)e | |
| T stage | T1 | 6569 (52.1) | 112,311 (67.6) | 22,350 (71.9) | 6448 (27.4) | 6566 (78.7) |
| T2 | 4645 (36.8) | 50,609 (30.5) | 5593 (18.0) | 4781 (20.3) | 1780 (21.3) | |
| T3 | 1403 (11.1) | 3131 (1.9) | 2911 (9.3) | 10,304 (43.8) | – | |
| T4 | – | – | 242 (0.8) | 2017 (8.6) | – | |
| N stage | N0 | 11,300 (89.6) | 127,287 (76.7) | 26,818 (86.2) | 23,550 (100.0) | 8346 (100.0) |
| N1 | 1317 (10.4) | 38,764 (23.3) | 4278 (13.8) | – | 0 (0.0) | |
| Surgery | Performed | 9731 (77.1) | 163,955 (98.7) | 31,096 (100.0) | 23,100 (98.1) | 6592 (79.0) |
| Not performed | 2886 (22.9) | 2096 (1.3) | 0 (0.0) | 450 (1.9) | 1754 (21.0) | |
| Radiotherapy | Performed | 3171 (25.1) | 98,254 (59.2) | 12,347 (39.7) | 2703 (11.5) | 3529 (42.3) |
| No/unknown | 9446 (74.9) | 67,797 (40.8) | 18,749 (60.3) | 20,847 (88.5) | 4817 (557.7) | |
| Chemotherapy | Performed | 2564 (20.3) | 65,930 (39.7) | – | 4531 (19.2) | 2799 (33.5) |
| No/unknown | 10,053 (79.7) | 100,121 (60.3) | – | 19,019 (80.8) | 5547 (66.5) | |
| Diagnosis year | 2010 | 1955 (15.5) | 24,126 (14.5) | 4669 (15.0) | 3981 (16.9) | 1434 (17.2) |
| 2011 | 2033 (16.1) | 25,978 (15.7) | 4921 (15.8) | 3891 (16.5) | 1353 (16.2) | |
| 2012 | 2046 (16.2) | 27,234 (16.4) | 5142 (16.5) | 4020 (17.1) | 1399 (16.8) | |
| 2013 | 2168 (17.2) | 28,304 (17.0) | 5279 (17.0) | 3827 (16.2) | 1307 (15.7) | |
| 2014 | 2136 (16.9) | 29,409 (17.7) | 5481 (17.7) | 4012 (17.0) | 1401 (16.9) | |
| 2015 | 2280 (18.1) | 31,000 (18.7) | 5604 (18.0) | 3819 (16.2) | 1452 (17.4) | |
| Marital status | Married | 5505 (43.6) | 98,063 (59.0) | 18,735 (60.2) | 11,321 (48.1) | 3824 (45.8) |
| Single | 1546 (12.3) | 23,370 (14.1) | 6958 (22.4) | 3452 (14.7) | 2441 (29.2) | |
| Otherc | 4953 (39.3) | 36,892 (22.2) | 3713 (12.0) | 7267 (30.9) | 1610 (19.3) | |
| Unknown | 613 (4.8) | 7726 (4.7) | 1690 (5.4) | 1510 (6.4) | 471 (5.6) | |
| Incomed, $ | < 35k | 342 (2.7) | 2481 (1.5) | 483 (1.6) | 548 (2.3) | 173 (2.1) |
| 35k to < 55k | 3358 (26.6) | 34,663 (20.9) | 6275 (20.2) | 5868 (24.9) | 2057 (24.6) | |
| 55k to < 75k | 5621 (44.6) | 78,176 (47.1) | 15,033 (48.2) | 10,973 (46.6) | 4000 (47.9) | |
| > 75k | 3296 (26.1) | 50,731 (30.5) | 9305 (30.0) | 6161 (26.2) | 2116 (25.3) | |
| County | Metropolitan | 10,887 (86.3) | 149,035 (89.8) | 28,127 (90.5) | 20,315 (86.3) | 7403 (88.7) |
| Near metropolitan | 960 (7.6) | 9785 (5.9) | 1628 (5.2) | 1764 (7.5) | 518 (6.2) | |
| Not near metropolitan | 748 (5.9) | 6997 (4.2) | 1302 (4.2) | 1399 (5.9) | 412 (4.9) | |
| Unknown | 22 (0.2) | 234 (0.1) | 39 (0.1) | 72 (0.3) | 13 (0.2) | |
aOther: defined as the Asian/Pacific Islander and American Indian/Alaska Native
bStage: 7th edition of TNM stage classification by the American Joint Committee on Cancer
cOther: Divorced, separated, windowed, unmarried or domestic partner
dIncome: median household income inflation adj to 2019
eFIGO stage