Computed tomography-based radiomics diagnostic approach for differential diagnosis between early- and late-stage pancreatic ductal adenocarcinoma

Table 1 Demographic characteristics of patients with early-stage and late-stage pancreatic ductal adenocarcinoma

Characteristic	Clinical stage classification		P value
	Early-stage PDAC (n = 31)	Late-stage PDAC (n = 40)
Age (yr)	61.45 ± 8.93	61.63 ± 8.31	0.933
Sex			0.153
Male	20 (64.5%)	19 (47.5%)
Female	11 (35.5%)	21 (52.5%)
Abdominal pain	14 (45.2%)	20 (50%)	0.686
Abdominal bloating	8 (25.8%)	11 (27.5)	0.873
Abdominal discomfort	16 (51.6%)	21 (52.5%)	0.941
Body weight loss	11 (35.5%)	14 (35.0%)	0.966
Jaundice	7 (22.6%)	9 (22.5)	0.994
AJCC staging			-
IA	4 (12.9%)
IB	8 (25.8%)
IIA	3 (9.7%)
IIB	16 (51.6%)
III	0	16 (40%)
IV	0	24 (60%)

PDAC: Pancreatic ductal adenocarcinoma; AJCC: American Joint Committee on Cancer.