Table 1.

Characteristics of primary tumors and lymph nodes in NSCLC

Parameter	SCC(n = 41)	AC(n = 81)	P
Tumour diameter(mm ± SD)	39.5 ± 10.2	25.5 ± 8.9	<0.001
Tumour SUVmax(±SD)	11.0 ± 4.1	7.4 ± 4.4	<0.001
Metastastic lymph nodes diameter (mm ± SD)	11.9 ± 3.7	12.7 ± 4.5	0.635
Metastastic lymph nodes SUVmax (±SD)	4.6 ± 3.1	3.6 ± 2.5	0.221
Location of tumor
Central	28	7
Peripheral	13	74
Degree of differentiation
High	8	7
Moderately	13	15
Poorly	20	59