Table 2 Correlation between PD-L1 expression and prognostic factors
From: PD-L1 expression in renal cell carcinoma clear cell type is related to unfavorable prognosis
PD-L1 neg | PD-L1 pos | p | |
|---|---|---|---|
Characteristics (N = 115) | |||
Age | 58.2 | 57.4 | 0.737 |
Gender | |||
Female | 9(37.5) | 15(62.5) | 0.507 |
Male | 41(45.1) | 50(54.9) | |
Tumor size (cm) | 4.5 | 5.1 | 0.246 |
Presentation | |||
Incidental | 34(44.7) | 42(55.3) | 0.704 |
Symptomatic | 16(41.0) | 23(59.0) | |
Fuhrman nuclear grade | |||
1,2 | 36(52.2) | 33(47.8) | 0.021 |
3,4 | 14(30.4) | 32(69.6) | |
Nucleolar grade | |||
1 | 12(54.5) | 10(45.5) | 0.207 |
2 | 16(34.0) | 31(66.0) | |
3 | 22(47.8) | 24(52.2) | |
Microvascular invasion | |||
Absent | 41(49.4) | 42(50.6) | 0.039 |
Present | 9(28.1) | 23(71.9) | |
Tumor necrosis | |||
Absent | 41(45.1) | 50(54.9) | 0.507 |
Present | 9(37.5) | 15(62.5) | |
Tumor stage | |||
pT1 | 38(47.5) | 42(52.5) | 0.188 |
pT2,3 | 12(34.3) | 23(65.7) | |
Metastasis to lymph nodes | |||
Absent | 48(44.0) | 61(56.0) | 0.607 |
Present | 2(33.3) | 4(66.7) | |
Development of distant metastasis | |||
Absent | 49(45.0) | 60(55.0) | 0.174 |
Present | 1(16.7) | 5(83.3) | |
Tumor recurrence (N = 104) | |||
Absent | 39(44.8) | 48(55.2) | 0.468 |
Present | 6(35.3) | 11(64.7) |