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Table 3 Factors affecting disease free survival among studied cases

From: Programmed death ligand 1 expression in diffuse large B cell lymphoma: correlation with clinicopathological prognostic factors

Variables

1 year

5 years

Test of significance

P value

Gender

 Male

95%

69.7%

2.917

0.088

 Female

90%

36.4%

Age

  ≤ 60

90.9%

56.5%

0.033

0.856

  > 60

93.8%

52.4%

HCVseropositivity

 Negative

88.1%

54.6%

0.005

0.942

 Positive

100%

53%

B symptoms

 Absent

86.5%

52%

0.237

0.626

 Present

100%

57.8%

BM infiltration (N = 93)

 No

90.5%

54.3%

0.054

0.816

 Yes

100%

50%

Hans classification

 GC

100%

100%

3.704

0.054

 Non-GC

90.6%

46.6%

IPI risk

 Low and low intermediate

92%

61.9%

0.462

0.497

 High intermediate and high

92.3%

38.7%

P53 expression (N = 85)

 No over expression

96%

49.4%

0.04

0.841

 Over expression

76.2%

50.8%

Double expresser

 No

90.8%

56%

1.987

0.159

 Yes

100%

50%

Triple expresser

 No

92%

63.7%

1.129

0.288

 Yes

PD-L1 expression

 Low

100%

84.8%

10.806

0.001*

 High

85.4%

29%

  1. Kaplan–Meier curve method and the log-rank test