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Table 3 Multivariate analysis of DFS and OS in esophageal squamous cell carcinoma

From: Patterns and prognostic predictive value of perineural invasion in esophageal squamous cell carcinoma

Variable

DFS

OS

RR

95%CI

P

RR

95%CI

P

Sex: Woman/Man

0.8

0.6–1.1

0.150

0.8

0.6–1.1

0.132

Tumor length: >4.0 cm/≤4.0 cm

1.2

0.9–1.5

0.266

1.1

0.8–1.4

0.713

Perineural invasion: Present/ Absent

1.6

1.2–2.1

0.001

1.4

1.1–1.9

0.017

p T stage: T3 + T4/T1 + T2

1.3

0.9–1.7

0.136

1.3

1.0–1.9

0.083

p N stage: N0/N1 + N2 + N3

2.0

1.5–2.6

<0.001

2.0

1.5–2.7

<0.001