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Table 5 Cox proportional hazards survival models including, age, sex, grade, mutation status, and either mdNLR or cg00901982 (linear and quadratic terms)

From: Immunomethylomic approach to explore the blood neutrophil lymphocyte ratio (NLR) in glioma survival

 

Baseline model

Baseline + mdNLR

Baseline + CpG

Baseline +  CpG + CpG2

 

n (%)

Median (IQR)

HR (95%CI)

HR (95%CI)

HR (95%CI)

HR (95%CI)

Age

 

47 (44, 54)

0.99 (0.94, 1.05)

0.97 (0.92, 1.03)

0.99 (0.94, 1.04)

0.97 (0.92, 1.03)

Female

20 (28)

 

Referent group

Referent group

Referent group

Referent group

Male

52 (72)

 

0.75 (0.41, 1.38)

0.74 (0.40, 1.35)

0.74 (0.40, 1.35)

0.69 (0.37, 1.26)

mdNLR >4

28 (39)

  

Referent group

  

mdNLR ≤4

44 (61)

  

0.49 (0.27, 0.90)

  

IDH only

30 (42)

 

Referent group

Referent group

Referent group

Referent group

TERT only

42 (58)

 

3.96 (1.98, 7.94)

4.56 (2.20, 9.43)

4.25 (2.09, 8.64)

4.65 (2.25, 9.62)

GBM

33 (46)

 

Referent group

Referent group

Referent group

Referent group

Non-GBM

39 (54)

 

0.92 (0.50, 1.71)

1.02 (0.54, 1.92)

0.98 (0.52, 1.82)

0.90 (0.48, 1.70)

cg00901982*

 

26.1 (21.4, 31.2)

  

0.80 (0.52, 1.22)

0.36 (0.04, 3.15)

cg009019822*

     

29 (3.52, 237)

Concordance

  

0.71 (SE = 0.04)

0.73 (SE = 0.04)

0.72 (SE = 0.04)

0.74 (SE = 0.04)

Brier score

  

0.1508

0.1506

0.1511

0.1468

Lrtest vs baseline model

 

0.02

0.29

0.01

Lrtest vs baseline + mdNLR model

  

<0.0001

0.06

Lrtest model linear (CpG) vs quadratic (CpG + CpG2) model

 

0.01

  1. p values <0.05 are highlighted in bold font
  2. All covariates modeled met proportionality assumptions
  3. HR hazard ratio, CI confidence interval, mdNLR methylation-derived neutrophil lymphocyte ratio, Lrtest likelihood ratio test
  4. *Per every 10% increase in methylation