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Table 6 Overall survival calculated by cox proportional hazards models

From: Primary cardiac myxofibrosarcoma: case report, literature review and pooled analysis

Variables Group Log-rank P-value Univariate Multivariatea
P-value HR (95% CI) P-value HR (95% CI)
Age (year) < 40    1 (Ref)   1 (Ref)
≥ 40 0.220 0.236 2.00 (0.64–6.32) 0.256 1.99 (0.61–6.53)
Sex female    1 (Ref)   1 (Ref)
male 0.725 0.730 0.83 (0.28–2.47) 0.968 0.98 (0.31–3.06)
Location right heart    1 (Ref)   1 (Ref)
left heart 0.299 0.329 2.77 (0.36–21.51) 0.453 2.35 (0.43–19.10)
Mean diameter (mm) < 40    1 (Ref)   1 (Ref)
≥ 40 0.055 0.085 6.38 (0.76–53.29) 0.059 6.79 (0.89–61.42)
Histologic grading intermediate/low-grade    1 (Ref)   1 (Ref)
high-grade 0.063 0.103 6.25 (0.69–56.59) 0.081 11.45 (0.74–177.12)
Post-treatment yes    1 (Ref)   1 (Ref)
no 0.723 0.729 1.22 (0.40–3.71) 0.668 1.34 (0.54–3.89)
  1. HR hazard ratio, CI confidence interval, a results were adjusted by age and sex