Table 2 Logistic regression analyses on risk factors for platinum-resistant recurrent ovarian cancer
Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
Odds ratio (95%CI) | P value | Odds ratio (95%CI) | P value | |
Age | ||||
≤ 60 years | 1 | 1 | ||
> 60 years | 1.67 (0.51–5.45) | 0.398 | 2.05 (0.33–12.88) | 0.446 |
Residual disease | ||||
≤ 1 cm | 1 | 1 | ||
> 1 cm | 0.87 (0.32–2.38) | 0.783 | 0.38 (0.07–2.00) | 0.251 |
FIGO stage | ||||
Stage III | 1 | 1 | ||
Stage IV | 3.41 (0.69–16.76) | 0.131 | 7.52 (0.46–121.94) | 0.156 |
Histologic types | ||||
High-grade serous carcinoma | 1 | 1 | ||
Others | 1.39 (0.30–6.41) | 0.673 | 2.05 (0.24–17.49) | 0.512 |
Normalization of CA125 level after 3 cycles of chemotherapy | ||||
Yes | 1 | 1 | ||
No | 16.00 (4.66–54.91) | < 0.001 | 18.06 (3.69–88.38) | < 0.001 |
Stromal cell ratio | ||||
Low | 1 | 1 | ||
High | 13.88 (3.92–49.11) | < 0.001 | 14.69 (2.79–77.35) | 0.002 |