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Table 4 Univariate and multivariate Cox Proportional hazard ratios (HR) for death

From: Interval between secondary cytoreductive surgery and adjuvant chemotherapy is not associated with survivals in patients with recurrent ovarian cancer

 

Univariate

Multivariate

HR (95% CI)

p-value

HR (95% CI)

p-value

Treatment intervala

 Group 1

1 (reference)

   

 Group 2

0.772 (0.405–1.472)

0.433

  

Age

 < 65 yr

1 (reference)

   

 ≥ 65 yr

0.202 (0.028–1.479)

0.115

  

CA-125

 < 40 U/mL

1 (reference)

 

1 (reference)

 

 ≥ 40 U/mL

2.664 (1.401–5.065)

0.003

1.930 (0.997–3.776)

0.054

Histology

 Serous

1 (reference)

   

 Non-serous

1.820 (0.900–3.682)

0.096

  

Surgery

 Laparoscopy

1 (reference)

 

1 (reference)

 

 Laparotomy

3.060 (1.081–8.661)

0.035

2.572 (0.889–7.438)

0.081

ASA scoreb

 1

1 (reference)

   

 2, 3

1.057 (0.484–2.310)

0.889

  

Residual diseasec

 R0

1 (reference)

 

1 (reference)

 

 R1, R2

3.699 (1.929–7.093)

< 0.001

3.018 (1.486–6.130)

0.002

Platinum free interval

 6-12mo

1 (reference)

 

1 (reference)

 

 over 12mo

0.462 (0.224–0.954)

0.037

0.398 (0.180–0.880)

0.023

Recurrence no.

 1st recur

1 (reference)

   

 2nd recur

1.277 (0.451–3.619)

0.645

  
  1. aEnrolled patients were divided into two groups; Group1 (treatment interval ≤ 10 days) and Group2 (treatment interval > 10 days)
  2. bASA score, American Society of Anaesthesiologists score
  3. cThe level of residual disease after SCS was divided into no gross (R0), 1–9 mm (R1), and equal to or more than 10 mm residual disease (R2)
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Journal of Ovarian Research

ISSN: 1757-2215

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