Research Article
Indirect Fist Percussion of the Liver Is a More Sensitive Technique for Detecting Hepatobiliary Infections than Murphy’s Sign
Table 3
Diagnostic accuracy for hepatobiliary diseases.
| | | Sensitivity | Specificity | LR+ | LR− |
| | RUQ tenderness | 21 (14–30) | 92 (88–95) | 2.6 (1.5–4.5) | 0.86 (0.78–0.95) | | Under 65 y.o. | 33 (17–53) | 89 (81–94) | 3.1 (1.4–6.5) | 0.75 (0.58–0.97) | | 65–79 y.o. | 23 (8–45) | 94 (84–98) | 3.5 (1.0–12) | 0.83 (0.65–1.0) | | Over 80 y.o. | 13 (6–24) | 93 (88–96) | 1.8 (0.78–4.3) | 0.94 (0.84–1.0) | | Complete dataset | 22 (13–33) | 88 (82–93) | 1.8 (0.99–3.4) | 0.89 (0.77–1.0) | | Murphy’s sign | 19 (12–28) | 94 (91–97) | 3.4 (1.8–6.2) | 0.86 (0.78–0.95) | | Under 65 y.o. | 20 (8–39) | 95 (89–98) | 4.0 (1.3–12) | 0.84 (0.70–1.0) | | 65–79 y.o. | 18 (5–40) | 98 (91–100) | 11 (1.3–95) | 0.83 (0.68–1.0) | | Over 80 y.o. | 16 (8–28) | 94 (89–97) | 2.5 (1.1–5.6) | 0.90 (0.80–1.0) | | Complete dataset | 27 (18–39) | 88 (82–93) | 2.3 (1.3–4.1) | 0.82 (0.71–0.96) | | Indirect fist percussion of liver | 45 (36–55) | 90 (86–93) | 4.6 (3.1–6.8) | 0.61 (0.51–0.73) | | Under 65 y.o. | 57 (37–75) | 90 (83–95) | 5.7 (2.9–11) | 0.48 (0.32–0.73) | | 65–79 y.o. | 32 (14–55) | 94 (84–98) | 4.9 (1.6–15) | 0.73 (0.54–0.98) | | Over 80 y.o. | 40 (28–54) | 89 (84–94) | 3.8 (2.2–6.5) | 0.67 (0.54–0.82) | | Complete dataset | 51 (39–63) | 85 (78–90) | 3.3 (2.1–5.1) | 0.58 (0.46–0.74) |
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