CD15+LOX-1+ PMN-MDSC frequency (%) CD15+LOX-1+ PMN-MDSC frequency (%) CD15+LOX-1+ PMN-MDSC frequency (%)
Parameter
Number
Number
Number
Number
≥20
<20
P value (Mean±SD)
Age 0.9757
<60 14 14 14 14 5 9
≥60 36 36 36 36 15 21
Gender 0.0176
Male 29 29 29 29 13 16
Female 21 21 21 21 7 14
Tumor size
≤3cm 50 50 50 50 20 30
>3cm 0 0 0 0 0 0
Smoking history 0.3784
Smokers 26 26 26 26 9 17
Never smokers 24 24 24 24 11 13
Lymph node metastasis Lymph node metastasis
Positive 0 0 0 0 0 0
Negative 50 50 50 50 20 30
TNM stage 0.4653
I 33 33 33 33 10 23
II 14 14 14 14 10 4
Histological tumor type Histological tumor type 0.0832
 Squamous cell carcinoma  Squamous cell carcinoma  Squamous cell carcinoma  Squamous cell carcinoma 23 12 11
Adenocarcinoma Adenocarcinoma Adenocarcinoma 27 27 8 19