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Table 3 Mean survival time for each viral state (including EBER-ISH negative, EBV traces, EBER-ISH positive cases)

From: EBV persistence in gastric cancer cases conventionally classified as EBER-ISH negative

Viral state

Survival time (years)

Mean

95% Confidence interval

Lower bound

Upper bound

EBER-ISH negative

2.73

1.89

3.58

EBV traces

8.57

5.15

11.99

EBER-ISH positive

13.33

12.41

14.26

Global

8.02

5.21

10.83