Table 3.

Summary Odds Ratios Comparing Slow Pull and Conventional Suction Techniques for EUS-Guided Tissue Acquisition (Overall or by Needle Characteristics)

Studies	Accuracy (95% CI)	p-value	Sensitivity (95% CI)	p-value	Blood contamination (95% CI)	p-value	Cellularity (95% CI)	p-value
Overall	1.48 (0.97–2.27)	0.07	1.67 (0.95–2.93)	0.08	0.48 (0.33–0.69)	<0.01	1.28 (0.68–2.40)	0.45
RCT	1.86 (1.07–3.23)	0.03	1.39 (0.62–3.12)	0.43	0.51 (0.31–0.83)	<0.01	1.21 (0.83–1.75)	0.32
22-Gauge	1.63 (0.99–2.67)	0.05	1.74 (0.88–3.45)	0.11	0.56 (0.31–1.01)	0.05	1.18 (0.78–1.78)	0.44
25-Gauge	4.81 (1.99–11.62)	<0.01	4.69 (1.93–11.40)	<0.01	0.38 (0.07–2.03)	0.26	1.35 (0.10–18.33)	0.82
FNA	1.49 (0.90–2.49)	0.12	1.74 (0.88–3.45)	0.15	0.43 (0.27–0.68)	<0.01	0.85 (0.53–1.34)	0.48
FNB	1.49 (0.59–3.79)	0.40	1.17 (0.26–5.29)	0.84	0.65 (0.36–1.20)	0.17	2.59 (0.84–8.05)	0.10
Pancreas	1.54 (1.02–2.32)	0.04	1.51 (0.85–2.68)	0.16	0.56 (0.38–0.81)	<0.01	1.19 (0.71–1.99)	0.51

EUS, endoscopic ultrasound; CI, confidence interval; RCT, randomized controlled trial; FNA, fine-needle aspiration; FNB, fine-needle biopsy.