Table 1.

Patient information and treatment characteristics

Data	Treatment group		Control group		χ2	p-value
	Cases	%	Cases	%
Age (mean ± standard deviation)	61.20 ± 12.50		59.47 ± 10.62		t = −0.410	0.685
Sex					χ2 = 0.144	0.705
Male	9	60.00	10	66.67
Female	6	40.00	5	33.33
Diagnostic methods					χ2 = 1.154	0.283
Pathological diagnosis	14	93.33	12	80.00
Imaging and laboratory diagnosis	1	6.67	3	20.00
Clinical manifestations before treatment					χ2 = 0.304	0.859
Pain	15	100.00	15	100.00
Jaundice	2	13.33	1	6.67
Elevated carbohydrate antigen 19-9	14	93.33	13	86.67
Diameter of nidus (largest)	2.0–5.0 cm		2.1–6.0 cm
Location of pancreatic tumours					χ2 = 3.086	0.214
Head	2	13.33	5	33.33
Body	9	60.00	9	60.00
Tail	4	26.67	1	6.67
Clinical stage					χ2 = 1.540	0.215
Stage III	11	73.33	14	93.33
Stage IV	4	26.67	1	6.67