A novel nomogram to predict lymph node metastasis in cT1 non-small-cell lung cancer based on PET/CT and peripheral blood cell parameters

Table 1 Patients’ basic data and univariate analysis

Characteristics	pN + (n = 21)	pN0 (n = 63)	t/χ²	p
Age	62.86 ± 11.01	61.48 ± 8.54	0.595	0.553
Sex			0.255	0.614
Male	9 (42.9%)	31 (49.2%)
Female	12 (57.1%)	32 (50.8%)
Smoking history			0.269	0.604
Yes	7 (33.3%)	25 (39.7%)
No	14 (66.7%)	38 (60.3%)
Tumor side			1.728	0.189
Left	5 (23.8%)	25 (39.7%)
Right	16 (76.2%)	38 (60.3%)
Histology			3.038	0.219
Adenocarcinoma	19 (90.4%)	60 (95.2%)
Squamous cell carcinoma	1 (4.8%)	3 (4.8%)
Other	1 (4.8%)	0
Tumor size, cm	2.27 ± 0.33	2.06 ± 0.49	2.237	0.030*
Tumor SUVmax	11.54 ± 8.65	4.42 ± 4.32	3.625	0.001*
Lymph node SUVmax	4.69 ± 4.88	1.66 ± 3.58	2.625	0.014*
Consolidation tumor ratio	0.79 ± 0.13	0.40 ± 0.30	8.346	< 0.001*
PLR	155.29 ± 48.98	115.65 ± 39.82	3.725	< 0.001*
NLR	2.40 ± 0.83	1.74 ± 0.97	2.815	0.006*

SUVmax, maximum standard uptake value; CEA, carcinoembryonic antigen; PLR, platelet to lymphocyte ratio; NLR, neutrophil to lymphocyte ratio
*p < 0.05

ISSN: 1471-2466