Table 1 Characteristics of eligible patients diagnosed with CC and analysis of factors associated with survival
Survival status | p-valor | |||||
|---|---|---|---|---|---|---|
Predictors | Total n = 1682 | Alive n = 1482 | Died n = 200 | Log-rank | Tarone-Ware | Gehan-Breslow |
Age | ||||||
≤ 40 | 941 (55.9) | 906 (96.3) | 24 (3.7) | |||
41–50 | 335 (19.9) | 283 (84.5) | 52 (15.5) | p < 0.001 | p < 0.001 | p < 0.001 |
51–65 | 280 (16.6) | 218 (77.9) | 62 (22.1) | |||
> 65 | 126 (7.5) | 75 (59.5) | 51 (40.5) | |||
Skin color | ||||||
White | 437 (26.0) | 370 (84.7) | 67 (15.3) | |||
Black | 91 (5.4) | 79 (86.8) | 12 (13.2) | p = 0.02 | p < 0.001 | p < 0.001 |
Other/Unknown | 1154 (68.6) | 1033 (89.5) | 121 (10.5) | |||
Educational level | ||||||
Elementary | 100 (5.9) | 45 (45.0) | 55 (55.0) | |||
Middle school | 43 (2.6) | 29 (67.4) | 14 (32.6) | |||
No formal education | 21 (1.2) | 8 (38.1) | 13 (61.9) | p < 0.001 | p = 0.028 | p = 0.030 |
High education | 14 (0.8) | 8 (57.1) | 6 (42.9) | |||
No information | 1504 (89.4) | 1392 (92.6) | 112 (7.4) | |||
City of residence | ||||||
Cuiaba | 426 (25.3) | 362 (85.0) | 64 (15.0) | |||
Varzea Grande | 162 (9.6) | 146 (90.1) | 16 (9.9) | |||
Rondonopolis | 112 (6.7) | 89 (79.5) | 23 (20.5) | p = 0.002 | p = 0.003 | p = 0.005 |
Sinop | 42 (2.5) | 39 (92.9) | 3 (7.1) | |||
Other | 940 (55.9) | 846 (90.0) | 94 (10.0) | |||
Histopathology type | ||||||
Squamous cell carcinoma | 1559 (92.7) | 1403 (90.0) | 156 (10.0) | |||
Adenocarcinoma | 57 (3.4) | 43 (75.4) | 14 (24.6) | |||
Malignant neoplasms | 27 (1.6) | 7 (25.9) | 20 (74.1) | p < 0.001 | p < 0.001 | p < 0.001 |
Others | 39 (2.3) | 29 (74.4) | 10 (25.6) | |||
Stage | ||||||
In situ | 1286 (76.5) | 1240 (96.4) | 46 (3.6) | |||
Localized | 315 (18.7) | 206 (65.4) | 109 (34.6) | p < 0.001 | p < 0.001 | p < 0.001 |
Metastatic | 81 (4.8) | 36 (44.4) | 45 (55.6) | |||
Year of diagnosis | ||||||
2001–2005 | 608 (36.1) | 512 (84.2) | 96 (15.8) | |||
2006–2010 | 415 (24.7) | 377 (90.8) | 38 (9.2) | p = 0.001 | p = 0.001 | p < 0.001 |
2011–2015 | 394 (23.4) | 345 (87.6) | 49 (12.4) | |||
2016–2018 | 265 (15.8) | 248 (93.6) | 17 (6.4) | |||