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Table 6 Survival rate and relative risk according to risk group as defined by the ICPS system

From: An inflammation-based cumulative prognostic score system in patients with diffuse large B cell lymphoma in rituximab era

Risk group

No.of patients (%)

3-year OS (%)

RR (95%Cl)

P-value

3-year PFS (%)

RR (95%Cl)

P-value

ICPS = 0

202(35.8)

95.6

1.000(N/A)

<0.001

86.5

1.000(N/A)

<0.001

ICPS = 1

144(25.5)

88.2

2.270(1.063–4.847)

0.034

82.3

1.409(0.838–2.369)

0.196

ICPS = 2

99(17.6)

76.0

4.395(2.118–9.118)

<0.001

71.6

2.241(1.333–3.767)

0.002

ICPS = 3

119(21.1)

62.2

8.645(4.482–16.676)

<0.001

54.5

3.957(2.518–6.216)

<0.001

  1. Abbreviations: 3Y–OS 3-year overall survival, 3Y–PFS 3-year progression-free survival, RR Relative risk, 95% Cl, 95% confidence limits, ICPS Inflammation-based cumulative prognostic score