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. 2023 Jul 24;13:11962. doi: 10.1038/s41598-023-39224-0

Table 4.

Patient-specific clinical factors associated with progression-free survival in the BRCA1/2 mutation-negative group (N = 61).

Variable N No. of events (%) Univariable analysis Multivariable analysis
Crude HR (95% CI) P-value Adjusted HR (95% CI) P-value
PFI
 ≥ 12 months 31 22 71.0 0.49 (0.24–0.95) 0.042 0.44 (0.20–0.89) 0.027
 < 12 months 30 20 66.7 1 1
Response to the last platinum dose according to RECIST
 Complete 11 8 72.7 0.46 (0.11–1.29) 0.202
 Partial 50 34 68.0 1
CA-125 level within reference values after the last platinum dose
 ≤ 35 U/mL 45 29 64.4 0.46 (0.24–0.95) 0.028 0.42 (0.20–0.96) 0.030
 > 35 U/mL 16 13 81.3 1 1
Age
 ≥ 60 years 35 27 77.1 0.84 (0.45–1.57) 0.570
 < 60 years 26 15 57.7 1
NLR
 ≥ 3.32 10 6 60.0 0.77 (0.23–1.94) 0.623
 < 3.32 51 36 70.6 1
PLR
 ≥ 210 21 16 76.2 1.69 (0.85–3.26) 0.123 3.05 (1.38–6.58) 0.005
 < 210 40 26 65.0 1 1

BRCA breast cancer susceptibility gene, HR hazard ratio, CI confidence interval, PFI platinum-free interval, RECIST Response Evaluation Criteria in Solid Tumors, CA-125 cancer antigen 125, NLR neutrophil-to-lymphocyte ratio, PLR platelet-to-lymphocyte ratio.