Table 3 Analysis of prognostic factors for survival

Age > 50 years

2.07 (0.73, 5.85)

0.158

2.13 (0.74, 6.12)

0.161

Sex, female

0.83 (0.38, 1.82)

0.644

1.21 (0.53, 2.74)

0.650

ISUP Grade (3,4: High)

3.19(1.58, 6.46)

0.001

1.03 (0.43, 2.47)

0.944

Stage (III, IV: high)

8.08 (4.11, 15.89)

< 0.001

7.04 (3.05, 16.23)

<  0.001

High CTLA4 expression

0.73 (0.32, 1.67)

0.457

0.56 (0.24, 1.29)

0.173

High B7-H3 expression

3.03 (1.59, 5.79)

< 0.001

2.11 (1.07, 4.15)

0.031