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Table 5 Multivariate Cox regression model for PPS in 117 patients

From: Analyzing the role of reoperation in recurrent glioblastoma: a 15-year retrospective study in a single institution

Variable of interest

No. of events/no. of patients

(n = 117)

HR (CI 95%)

p value

Treatment groups

  

0.277

  Reintervention

29/33

0.76 (0.47–1.24)

 

  Chemotherapy

82/84

1

 

First surgery date

  

0.018

  Recent (2012–2019)

77/83

0.59 (0.39–0.91)

 

  Old (2005–2011)

34/34

1

 

ECOG 2

  

0.006

  Asymptomatic/mild

67/72

0.55 (0.36–0.84)

 

  Symptomatic

44/45

1

 

PFS (months)

   

   ≥ 10

54/59

1.12 (0.80–1.82)

0.356

   < 10

57/58

1

 
  1. ECOG 2 ECOG at progression, PFS progression-free survival