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. 2017 Jul 21;8(4):540–547. doi: 10.1007/s13193-017-0680-z

Table 2.

Univariate and multivariate Cox regression analyses of potential risk factors affecting survival and recurrence of ovarian cancer patients after surgery

Factors affecting survival Number Survival status Unadjusted (univariate) Adjusted (multivariate)
Dead (n) Alive (n) HR (95% CI) P value HR (95% CI) P value
 1. Histology
  Non-epithelial 0.10 0.49
  Tumour 24 1 23 1 1
  Epithelial tumour 52 9 43 5.81 (0.73–46.22) 2.22 (0.23–21.34)
 2. Treatment <0.001 0.25
  Surgery 60 3 57 1 1
  Chemotherapy 16 7 9 10.17 (2.62–39.4) 2.42 (0.54–10.64)
Variables affecting recurrence N Recurrence status Unadjusted (univariate) Adjusted (multivariate)
Yes (n) No (n) HR (95% CI) P value HR (95% CI) P value
 1. Histology
  Non-epithelial 24 5 19 1 0.05 1 0.15
  Epithelial 52 23 29 2.7 (1.02–7.30) 2.36 (0.74–7.51)
 2. Treatment
  Surgery 60 16 44 1 <0.001 1 0.42
  Chemotherapy 16 12 4 4.3 (2.01–9.31) 1.44 (0.60–3.48)
 3. Stages
  Early stage 38 3 35 1 <0.001 1 <0.001
  Advanced stage 38 25 13 14.1 (4.21–47.4) 12.6(3.49–45.49)