TABLE 1.
Clinical and pathological characteristics of the study population.
| Study population | N = 9985 (%) for cases | |
|---|---|---|
| Age at diagnosis (year), median ± standard error | 54.08 ± 9.28 | |
| Preoperative biopsy | Yes | 8,844 (88.57%) |
| No | 1,141 (11.43%) | |
| Menopause | Pre | 3,900 (39.06%) |
| Post | 5,722 (57.31%) | |
| Unknown | 363 (3.63%) | |
| Diabetes | No | 8,734 (87.47%) |
| Yes | 1,251 (12.53%) | |
| Hypertension | No | 5,739 (57.48%) |
| Yes | 4,246 (42.52%) | |
| Obesity | No | 8,768 (87.81%) |
| Yes | 1,217 (12.19%) | |
| Uterine diseases | No | 8,780 (87.93%) |
| Myoma | 913 (9.14%) | |
| Adenomyosis | 157 (1.58%) | |
| Both | 135 (1.35%) | |
| Surgery | Laparotomy | 4,576 (45.83%) |
| Laparoscope | 5,398 (54.06%) | |
| Others | 11 (0.11%) | |
| Myometrial invasion | No/<50% | 8,341 (83.54%) |
| ≥50% | 1,644 (16.46%) | |
| Atypical hyperplasia | No | 8,943 (89.56%) |
| Yes | 1,042 (10.44%) | |
| Histological grade | Low grade | 8,631 (86.44%) |
| High grade | 1,354 (13.56%) | |