Table 4. Univariable and multivariable logistic regression analysis of risk factors for distant metastasis among patients at low risk.
| Characteristics | Distant recurrence (n=13) | Unadjusted OR (95% CI) | p | Adjusted OR (95% CI) | p | |
|---|---|---|---|---|---|---|
| Age (yr) | ||||||
| <60 | 8 (3.3) | 1 | ||||
| >60 | 5 (1.9) | 0.58 (0.19–1.79) | 0.340 | |||
| LVSI | ||||||
| LVSI absent | 8 (1.8) | 1 | 1 | |||
| LVSI focal | 0 | - | - | |||
| LVSI Substantial | 5 (22.7) | 16.3 (4.84–55.29) | <0.001 | 10.65 (2–56.69) | 0.006 | |
| Tumor dimensions (mm) | ||||||
| <20 | 4 (1.9) | 1 | ||||
| >20 | 9 (3.3) | 1.73 (0.52–5.69) | 0.369 | |||
| LND | ||||||
| No | 3 (1.4) | 1 | ||||
| Yes | 10 (3.4) | 2.5 (0.69–9.3) | 0.163 | |||
| Grading | ||||||
| G1 | 1 (0.5) | 1 | ||||
| G2 | 12 (3.7) | 7.01 (0.9–54.4) | 0.062 | |||
| MI | ||||||
| No infiltration | 0 | 1 | ||||
| <50% | 13 (3.1) | 5.45 (0.32–92.6) | 0.141 | |||
| Adjuvant treatment | ||||||
| No | 9 (1.9) | 1 | 1 | |||
| Yes | 4 (9.5) | 5.35 (1.57–18.2) | 0.007 | 2.04 (0.34–12.2) | 0.435 | |
CI, confidence interval; LND, lymph node dissection; LVSI, lymph-vascular space invasion; MI, myometrial infiltration; OR, odds ratio.