Table 1. Baseline clinicopathological features of kidney cancer patients in SEER database.
| Characteristic | Total | Married | Divorced/Separated | Widowed | Single | P value |
|---|---|---|---|---|---|---|
| 112860(100) | 71328(63.2) | 11896(10.5) | 13160(11.7) | 16476(14.6) | ||
| Sex | <0.001 | |||||
| Male | 71549(63.4) | 50344(70.6) | 6697(56.3) | 3973(30.2) | 10535(63.9) | |
| Female | 41311(36.6) | 20984(29.4) | 5199(43.7) | 9187(69.8) | 5941(36.1) | |
| Age | <0.001 | |||||
| <60 | 43627(38.7) | 27709(38.8) | 5307(44.6) | 847(6.4) | 9764(59.3) | |
| 60-70 | 31801(28.2) | 21745(30.5) | 3859(32.4) | 2347(17.8) | 3850(23.4) | |
| 70-80 | 24332(21.6) | 15603(21.9) | 2093(17.6) | 4607(35.0) | 2029(12.3) | |
| >80 | 13100(11.6) | 6271(8.8) | 637(5.4) | 5359(40.7) | 833(5.1) | |
| Race | <0.001 | |||||
| White | 92909(82.3) | 60549(84.9) | 9474(79.6) | 10975(83.4) | 11911(72.3) | |
| Black | 13076(11.6) | 6045(8.5) | 1920(16.1) | 1535(11.7) | 3576(21.7) | |
| American Indian/ Alaska Native |
952(0.8) | 470(0.7) | 125(1.1) | 117(0.9) | 240(1.5) | |
| Asian/Pacific Islander | 5324(4.7) | 3853(5.4) | 318(2.7) | 505(3.8) | 648(3.9) | |
| Unknown | 599(0.5) | 411(0.6) | 59(0.5) | 28(0.2) | 101(0.6) | |
| Grade | <0.001 | |||||
| High/Moderate | 51438(45.6) | 33725(47.3) | 5421(45.6) | 4745(36.1) | 7547(45.8) | |
| Poor/Undifferentiation | 29071(25.7) | 19216(26.9) | 3052(25.7) | 2604(19.8) | 4199(25.5) | |
| Unknown | 32351(28.7) | 18387(25.8) | 3423(28.8) | 5811(44.2) | 4730(28.7) | |
| TNM | <0.001 | |||||
| I | 63996(56.7) | 41329(57.9) | 6733(56.6) | 6552(49.8) | 9382(56.9) | |
| II | 9309(8.2) | 5943(8.3) | 986(8.3) | 870(6.6) | 1510(9.2) | |
| III | 14165(12.6) | 9441(13.2) | 1358(11.4) | 1511(11.5) | 1855(11.3) | |
| IV | 17801(15.8) | 10524(14.8) | 2044(17.2) | 2552(19.4) | 2681(16.3) | |
| Unknown | 7589(6.7) | 4091(5.7) | 775(6.5) | 1675(12.7) | 1048(6.4) | |
| SEER Stage | <0.001 | |||||
| Localized | 76192(67.5) | 48989(68.7) | 8025(67.5) | 7877(59.9) | 11301(68.6) | |
| Regioned | 16162(14.3) | 10653(14.9) | 1555(13.1) | 1810(13.8) | 2144(13.0) | |
| Distant | 16786(14.9) | 9912(13.9) | 1932(16.2) | 2394(18.2) | 2548(15.5) | |
| Unstage | 3720(3.3) | 1774(2.5) | 384(3.2) | 1079(8.2) | 483(2.9) | |
| Therapy | <0.001 | |||||
| Surgery, radiation or both | 94075(83.4) | 62033(87.0) | 9803(82.4) | 8581(65.2) | 13658(82.9) | |
| No surgery, radiation | 17823(15.8) | 8845(12.4) | 1980(16.6) | 4354(33.1) | 2644(16.0) | |
| Unknown | 962(0.9) | 450(0.6) | 113(0.9) | 225(1.7) | 174(1.1) |