Nomogram based on multimodal magnetic resonance combined with B7-H3mRNA for preoperative lymph node prediction in esophagus cancer

Table 2 The relationship between B7-H3 expression and clinical characteristics of esophageal cancer patients

Clinical characteristic	Number of sample	B7-H3mRNA	Statistic	P value
Sex
Male	23	2.47 ± 0.51	0.06	0.80
Female	9	2.52 ± 0.40
T			F statistic
1	13	2.23 ± 0.32	3.309	0.05
2	17	2.66 ± 0.53
3	2	2.59 ± 0.12
N
0	17	2.29 ± 0.35	2.50	0.02
1-3	15	2.70 ± 0.53

T: Tumor; N: Node.