Table 3 Multivariate Cox regression analysis for overall survival.

From: Prognostic value of pseudotime from texture parameters of FDG PET/CT in locally advanced rectal cancer with neoadjuvant concurrent chemoradiotherapy

Variable

Categories

MTV model

TLG model

Pseudotime model

HR (95% CI)

P-value

HR (95% CI)

P-value

HR (95% CI)

P-value

Age

 < 66 vs. 66 ≤ 

2.371 (1.116–5.033)

0.025

2.427 (1.141–5.163)

0.021

2.413 (1.137–5.117)

0.022

Adjuvant chemotherapy

No vs. yes

0.177 (0.074–0.421)

 < 0.001

0.174 (0.074–0.407)

 < 0.001

0.166 (0.071–0.388)

 < 0.001

Initial CEA

Low vs. high

2.786 (1.367–5.677)

0.005

2.727 (1.334–5.573)

0.006

2.721 (1.338–5.533)

0.006

Pathological T stage after CCRT

ypT0 vs. ypT1/is

0.691 (0.071–6.704)

0.750

0.731 (0.075–7.138)

0.788

0.655 (0.067–6.388)

0.875

ypT0 vs. ypT2

0.522 (0.144–1.894)

0.323

0.583 (0.162–2.095)

0.409

0.481 (0.133–1.740)

0.301

ypT0 vs. ypT3

0.581 (0.183–1.846)

0.358

0.650 (0.204–2.069)

0.466

0.541 (0.171–1.714)

0.384

ypT0 vs. ypT4

0.524 (0.096–2.870)

0.456

0.478 (0.087–2.626)

0.396

0.382 (0.070–2.093)

0.558

Pathological N stage after CCRT

ypN0 vs. ypN1

4.298 (1.873–9.863)

 < 0.001

4.528 (1.947–10.532)

 < 0.001

4.334 (1.873–10.027)

 < 0.001

ypN0 vs. ypN2

10.204 (3.326–31.305)

 < 0.001

11.239 (3.649–34.610)

 < 0.001

10.250 (3.349–31.371)

 < 0.001

MTV

Low vs. High

2.816 (0.968–8.194)

0.057

    

TLG

Low vs. High

  

2.920 (0.781–8.718)

0.080

  

Pseudotime

Early vs. Late

    

5.095 (1.187–21.874)

0.028

  1. HR hazard ratio, CI confidence interval.