Table 7 Regression analysis of the factors associated with survival in patients who received R-CHOP 21 (n = 286).

From: Infection is an Independent Predictor of Death in Diffuse Large B Cell Lymphoma

  

Univariate analysis

Multivariable analysis

Hazard Ratio

95% CI p value

Hazard Ratio

95% CI p value

Age

<65 years

1.00

 

1.00

 

>65 years

2.21

1.42 to 3.42 p = <0.001

1.32

0.75 to 2.30 p = 0.328

Sex

Female

1.00

 

1.00

 

Male

1.19

0.77 to 1.82 p = 0.421

1.49

0.91 to 2.44 p = 0.112

Charlson Comorbidity Score

1–2

1.00

 

1.00

 

3–5

5.14

3.03 to 8.74 p = <0.001

4.12

2.32 to 7.33 p = <0.0001

6+

13.88

7.03 to 27.41 p = <0.001

11.02

4.99 to 24.34 p = <0.0001

ECOG

0

1.00

 

1.00

 

1

4.07

1.69 to 9.78 p = <0.002

2.69

1.00 to 7.26 p = 0.050

2

8.30

3.46 to 19.89 p = <0.001

2.97

1.27 to 12.41 p = 0.018

3 and 4

19.83

7.49 to 52.64 p = <0.001

7.16

2.04 to 25.06 p = 0.002

Stage

1

1.00

 

1.00

 

2

1.29

0.51 to 3.24 p = 0.583

1.25

0.44 to 3.54 p = 0.665

3

1.56

0.58 to 4.16 p = 0.37

1.17

0.365 to 3.80 p = 0.78

4

2.43

1.04 to 5.66 p = 0.039

1.22

0.399 to 3.73 p = 0.72

NCCN IPI

Low risk

  

1.00

 

Low intermediate

1.00

 

1.00

 

High intermediate

1.35

0.80 to 2.27 p = 0.256

0.88

0.39 to 1.99 p = 0.76

High

2.61

1.54 to 4.40 p = <0.001

1.82

0.63 to 5.22 p = 0.26

Number of chemotherapy cycles

1–2

1.00

   

3–4

0.13

0.062 to 0.27 p = <0.0001

0.27

0.11 to 0.68 p = 0.005

5–6

0.08

0.04 to 0.15 p = <0.0001

0.09

0.041 to 0.19 p = <0.0001

>6

0.10

0.03 to 0.34 p = <0.0001

0.11

0.03 to 0.40 p = <0.0001

Creatinine

Normal

1.00

 

1.00

 

Raised

1.27

0.82 to 1.96 p = 0.270

0.79

0.44 to 1.43 p = 0.45

Neutropenia within 48 hours of admission with infection

No

1.00

 

1.00

 

Yes

4.92

2.82 to 8.58 p = <0.0001

3.15

1.66 to 5.96 p = <0.0001

Pegfilgrastim w/I 21 days of admission with infection

No

1.00

 

1.00

 

Yes

0.82

0.50 to 1.10 p = 0.449

1.26

0.72 to 2.21 p = 0.40

Admission with infection

No

1.00

 

No

1.00

Yes

1.63

1.94 to 6.65 p = <0.0001

3.27

1.00 to 2.63 p = <0.046

  1. ECOG = Eastern Cooperative Oncology Group performance status point scale.
  2. NCCN-IPI = International Prognostic Index.