Indirect Fist Percussion of the Liver Is a More Sensitive Technique for Detecting Hepatobiliary Infections than Murphy’s Sign

Table 2

Diagnostic accuracy for hepatobiliary infection.

	Sensitivity	Specificity	LR+	LR−
RUQ tenderness	33 (19–49)	91 (88–94)	3.6 (2.1–6.3)	0.74 (0.60–0.92)
Under 65 y.o.	71 (29–96)	87 (80–92)	5.5 (2.9–11)	0.33 (0.10–1.1)
65–79 y.o.	60 (15–95)	92 (84–97)	7.9 (2.8–23)	0.43 (0.15–1.3)
Over 80 y.o.	20 (8–39)	93 (89–96)	2.9 (1.2–6.9)	0.86 (0.72–1.0)
Complete dataset	27 (12–46)	87 (81–91)	2.0 (0.99–4.0)	0.85 (0.68–1.1)
Murphy’s sign	30 (17–47)	93 (90–96)	4.4 (2.4–8.1)	0.75 (0.61–0.92)
Under 65 y.o.	43 (10–82)	94 (88–97)	6.6 (2.2–20)	0.61 (0.32–1.2)
65–79 y.o.	40 (5–85)	96 (89–99)	11 (2.2–49)	0.62 (0.30–1.3)
Over 80 y.o.	23 (10–42)	93 (89–96)	3.4 (1.5–7.7)	0.82 (0.67–1.0)
Complete dataset	40 (23–59)	87 (81–91)	3.0 (1.7–5.3)	0.69 (0.52–0.93)
Indirect fist percussion of liver	60 (43–75)	85 (81–89)	4.1 (2.9–5.8)	0.47 (0.32–0.69)
Under 65 y.o.	57 (18–90)	82 (74–88)	3.1 (1.5–6.5)	0.53 (0.22–1.2)
65–79 y.o.	60 (15–95)	90 (81–96)	5.9 (2.2–16)	0.45 (0.15–1.3)
Over 80 y.o.	57 (37–75)	87 (82–91)	4.4 (2.7–7.1)	0.50 (0.33–0.75)
Complete dataset	57 (37–75)	77 (71–83)	2.5 (1.6–3.8)	0.56 (0.37–0.85)