Risk factors and survival prediction model establishment for prognosis in patients with radical resection of gallbladder cancer

Table 2 Histopathological details of gallbladder patients (n = 93), n (%)

Patient characteristic	n = 93
pT stage
T1-T2	29 (31.18)
T3-T4	64 (68.82)
Lymph node metastasis
N0	54 (58.06)
N1	34 (36.56)
N2	5 (5.38)
Pathological staging (AJCC 8th)
I-II	25 (26.88)
III-IV	68 (73.12)
Degree of tissue differentiation
Well differentiated	25 (26.88)
Moderately differentiated	23 (24.73)
Poorly differentiated	45 (48.39)
Surgical margin
Positive	10 (10.75)
Negative	83 (89.25)
Liver invasion
Positive	43 (46.24)
Negative	50 (53.76)
Extrahepatic bile duct invasion
Positive	36 (38.71)
Negative	57 (61.29)
PNI
Positive	29 (31.18)
Negative	64 (68.82)
LVI
Positive	33 (35.48)
Negative	60 (64.52)

AJCC: American Joint Committee on Cancer; LVI: Lymphovascular invasion; PNI: Perineural invasion.