Slow-pull and different conventional suction techniques in endoscopic ultrasound-guided fine-needle aspiration of pancreatic solid lesions using 22-gauge needles

Table 5 Univariate and multivariate analyses of factors affecting cytological diagnostic accuracy

Variable		Accuracy	Univariate	Multivariate
			P value1	P value2	OR (95%CI)
Lesion size	≤ 30 mm	74.4% (32/43)	0.282	0.603	1.29 (0.50-3.36)
	> 30 mm	64.4% (38/59)
Endoscopist	Endoscopist 2	71.9% (41/57)	0.419	0.367	1.52 (0.61-3.74)
	Endoscopist 1	64.4% (29/45)
Location	Body or tail	69.8% (30/43)	0.832	0.687	1.21 (0.48-3.04)
	Uncinate or head	67.8% (40/59)
Needle passes	≤ 3	69.7% (46/66)	0.753	0.233	1.81 (0.68-4.79)
	> 3	66.7% (24/36)
Suction techniques	Slow-pull	90.3% (28/31)	0.0193	0.0053	1.91 (1.21-3.00)
	5-mL	63.2% (12/19)
	10-mL	58.8% (20/34)
	20-mL	55.6% (10/18)

¹χ² test;

²Logistic regression analysis;

³Statistically significant.