Table 3. Analysis of clinical variables related to gene expression.

Clinical variables	F value/X-squared	P-value
Intermediate dimension	0.659†	0.728
Longest dimension	0.756†	0.641
Shortest dimension	0.771†	0.629
New tumor event diagnosis days	1.852†	0.072
Ecog score	1.253†	0.279
Karnofsky score	0.474†	0.867
Tumor grade	1.486†	0.169
Clinical stage	4.786†	1.22 × 10−5***
New tumor event diagnosis evidence	35.141‡	0.322
New tumor event radiation treatment	4.876‡	0.771
New neoplasm event type	35.491‡	0.307
Pharmaceutical treatment adjuvant	7.03‡	0.533
Treatment outcome first course	38.671‡	0.03*
Tumor status	17.894‡	0.022*
Residual disease largest nodule	40.183‡	0.02*
Vascular invasion indicator	7.569‡	0.477
Lymphovascular invasion indicator	7.082‡	0.528
Anatomic neoplasm subdivision	17.604‡	0.348

^†These are quantitative variables evaluated with ANOVA for statistical analysis. The test statistic is the F value.

^‡These are qualitative variables evaluated with the chi-square test. The test statistic is X-squared.

^*P < 0.05.

^**P < 0.01.

^***P < 0.001.