Table 1 Correlations between PD-L1 Tumor Proportion Score with clinical features in 241 cases
No. of cases n = 241 | PD-L1 < 1% n = 65 (27%) | PD-L1 1–49% n = 100 (41%) | PD-L1 ≥ 50% n = 76 (32%) | p-value | ||
|---|---|---|---|---|---|---|
N (%) | ||||||
Age (years) | < 60 | 53 (22) | 15 (28) | 24 (45) | 14 (26) | 0.89 |
60–69 | 75 (31) | 19 (25) | 31 (41) | 25 (33) | ||
70–79 | 63 (26) | 20 (32) | 24 (38) | 19 (30) | ||
≥ 80 | 50 (21) | 11 (22) | 21 (42) | 18 (36) | ||
Sex | Male | 135 (56) | 39 (29) | 56 (41) | 40 (30) | 0.68 |
Female | 106 (44) | 26 (25) | 44 (41) | 36 (34) | ||
Smoking statusa | Non-smoker | 32 (14) | 10 (31) | 14 (44) | 8 (25) | 0.68 |
Smoker | 200 (86) | 53 (27) | 82 (41) | 65 (32) | ||
Stageb | I | 38 (16) | 9 (24) | 20 (53) | 9 (24) | 0.43 |
II | 19 (8) | 5 (26) | 8 (42) | 6 (32) | ||
III | 45 (19) | 9 (20) | 22 (49) | 14 (31) | ||
IV | 136 (57) | 43 (32) | 47 (35) | 46 (34) | ||
