Characteristic | Total (n = 47) No. of patients | % |
---|---|---|
Gender | ||
Male | 26 | 55.3 |
Female | 21 | 44.7 |
Stage | ||
I | 9 | 19.1 |
II | 18 | 38.3 |
III | 5 | 10.6 |
IV | 15 | 31.9 |
Histology | ||
adenoid cystic carcinoma | 25 | 40.4 |
mucoepidermoid carcinoma | 9 | 17.0 |
adenocarcinoma | 11 | 23.4 |
mucinous adenocarcinoma | 2 | 6.4 |
Recurrence or metastasis after surgery | ||
No | 31 | 66.0 |
Yes | 16 | 34.0 |
PD-L1 expression in tumor cells membrane | ||
< 5% (negative) | 23 | 48.9 |
≥ 5% (positive) | 24 | 51.1 |
PD-L1 expression in tumor-infiltrating mononuclear cells (TIMC) | ||
Score < 4 (negative) | 27 | 57.4 |
Score ≥ 4 (positive) | 20 | 42.6 |
Median | Min-max | |
Age (years) | 62.0 | 24–80 |