Table 1 Demographic and clinicopathological characteristics among young and older EC patients
Variables | age ≤ 45 years old (n = 1042) | age > 45 years old (n = 12,991) | P value | ||
|---|---|---|---|---|---|
N | % | N | % | ||
Marital status | |||||
Married | 507 | 48.7 | 6913 | 53.2 | 0.004 |
Other | 535 | 51.3 | 6078 | 46.8 | |
Race | < 0.001 | ||||
White | 636 | 61.0 | 10,207 | 78.6 | |
Black | 64 | 6.2 | 872 | 6.7 | |
Other | 342 | 32.8 | 1912 | 14.7 | |
Histology | < 0.001 | ||||
Adenocarcinoma | 872 | 83.7 | 9802 | 75.5 | |
Other | 170 | 16.3 | 3189 | 24.5 | |
Tumor size(cm) | < 0.001 | ||||
≤ 4 | 566 | 54.3 | 8076 | 62.2 | |
> 4 | 476 | 45.7 | 4915 | 37.8 | |
Grade | < 0.001 | ||||
Grade I | 612 | 58.7 | 5759 | 44.3 | |
Grade II | 274 | 26.3 | 3669 | 28.3 | |
Grade III | 131 | 12.6 | 2628 | 20.2 | |
Grade IV | 25 | 2.4 | 935 | 7.2 | |
FIGO | 0.782 | ||||
I | 758 | 72.7 | 9312 | 71.7 | |
II | 80 | 7.7 | 965 | 7.4 | |
III | 155 | 14.9 | 2044 | 15.7 | |
IV | 49 | 4.7 | 670 | 5.2 | |
Radiotherapy | < 0.001 | ||||
Yes | 239 | 22.9 | 3977 | 30.6 | |
No/Unknown | 803 | 77.1 | 9014 | 69.4 | |
Chemotherapy | 0.081 | ||||
Yes | 189 | 18.1 | 2650 | 20.4 | |
No/Unknown | 853 | 81.7 | 10,341 | 79.6 | |
Surgery | 0.128 | ||||
Yes | 1033 | 99.1 | 12,804 | 98.6 | |
No | 9 | 0.9 | 187 | 1.4 | |