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Table 2 Multivariate Cox’s regression analyses on the impact of Piwi-like 2, -3 and − 4 mRNA expression on STS patients’ survival

From: Expression of human Piwi-likegenes is associated with prognosis for soft tissue sarcoma patients

  Piwi-like 2 Piwi-like 3 Piwi-like 4
Relative risk (RR) 1.87 1.33 1.82
95% CI 1.06–3.32 0.75–2.3 1.03–3.21
p-value 0.032 0.329 0.039
n low 62 62 62
n high 63 63 63
  Combination Piwi-like 2 and −4 Combination Piwi-like 2, -3 and −4  
Relative risk (RR) 2.58 4.01  
95% CI 1.26–5.29 1.61–10.01  
p-value 0.01 0.003  
n all low 39 21  
n one gene elevated 46 43  
n two genes elevated 37  
n all genes elevated 40 24  
  1. Significant p-values and relative risks are marked in bold face (p-values <0.05 were considered significant).