Table 4 Risk factors for OS by univariate and multiple Cox analysis

Age (high vs low)

1.23 (0.84–1.81)

0.304

BMI (high vs low)

0.53 (0.24–1.15)

0.112

Current smokers (yes vs no)

1.09 (0.76–1.57)

0.647

Alcohol (yes vs no)

1.17 (0.82–1.67)

0.384

Diabetes (yes vs no)

1.24 (0.71–2.13)

0.435

Hypertension (yes vs no)

1.31 (0.83–2.05)

0.247

Hyperlipemia (yes vs no)

0.85 (0.54–1.33)

0.468

Histological grade (G2/3 vs G1)

1.57 (1.03–2.41)

0.034*

0.92 (0.81–1.22)

0.068

Histological type (serous vs non-serous)

0.49 (0.83–2.64)

0.181

FIGO stage (IV vs III)

1.89 (1.17–3.11)

0.014*

1.58 (0.77–3.35)

0.221

ECOG PS (≥1 vs 0)

1.12 (0.74–1.69)

0.603

Chemotherapy resistance (yes vs no)

1.27 (1.03–1.62)

0.021*

1.30 (1.01–1.67)

0.032*

Residual tumor (> 1 cm vs ≤1 cm)

1.32 (1.04–1.68)

0.022*

1.48 (1.01–2.21)

0.046*

Hemoglobin (high vs low)

0.78 (0.39–1.56)

0.478

Platelet (high vs low)

1.55 (0.75–3.18)

0.237

WBC (high vs low)

1.39 (0.77–2.51)

0.278

Albumin (high vs low)

0.65 (0.38–1.12)

0.112

Total protein (high vs low)

0.89 (0.55–1.45)

0.642

Total cholesterol (high vs low)

0.69 (0.31–1.52)

0.359

Triglyceride (high vs low)

1.50 (0.83–2.73)

0.181

CA125 (high vs low)

1.41 (0.73–2.73)

0.304

CRP (high vs low)

1.17 (0.64–2.11)

0.613

AFR (≤7.78 vs > 7.78)

2.50 (1.44–4.09)

0.007*

2.19 (1.18–3.67)

0.021*