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. 2013 Jan 7;37(5):527–536. doi: 10.1111/apt.12199

Table 2.

Assessment of diagnostic accuracy and heterogeneity in subgroup analysis

Sub groups No. of studies Pooled sensitivity (95% CI)/% Pooled specificity (95% CI)/% Pooled positive LR (95% CI) Pooled negative LR (95% CI) Pooled DOR (95% CI) I2 (%) DOR
All studies 9 61 (55–67) 79 (75–83) 3.5 (2.0–6.1) 0.46 (0.31–0.68) 10.9 (4.2–28.3) 74
Era
 Early (2002–2008) 4 70 (59–80) 85 (78–90) 8.8 (2.0–38.2) 0.37 (0.26–0.54) 26.6(7.3–97.4) 40
 Late (2009–2011) 5 57 (49–64) 75 (69–81) 2.6 (1.4–4.9) 0.58 (0.37–0.91) 5.9 (1.8–19.4) 78
Quality assessment
 Low 5 54 (44–65) 81 (74–87) 5.0 (1.3–18.8) 0.47 (0.25–0.91) 14.1 (1.7–117.4) 85
 High 4 65 (57–72) 78(71–83) 2.9(1.7–4.9) 0.42(0.24–0.73) 8.7(5.0–15.1) 0
Gold standard
 Non-PHES 5 58(50–66) 84(78–90) 4.9(1.7–14.3) 0.53(0.35–0.79) 8.8 (4.4–17.6) 5
 PHES 4 67 (57–76) 75 (68–81) 3.3 (1.4–8.0) 0.31 (0.10–1.00) 11.7 (1.8–74.5) 88
Location
 Non-Europe 5 54 (46–62) 76 (70–82) 2.4 (1.2–4.6) 0.63 (0.44–0.91) 5.1 (1.6–15.9) 72
 Europe 4 75 (65–83) 83 (76–89) 6.3 (2.3–17.2) 0.29 (0.16–0.51) 27.3 (8.2–91.2) 45
No. of patients
 <50 4 65 (51–77) 93 (86–97) 8.1 (3.8–17.1) 0.32 (0.10–1.08) 32.5 (9.3–113.3) 17
 ≥50 5 60 (53–67) 75 (69–80) 2.4 (1.4–4.0) 0.51 (0.32–0.80) 6.0 (2.1–17.2) 77
Cut-off
 ≤38 6 57 (49–64) 80 (75–85) 4.0 (1.9–8.5) 0.44 (0.25–0.75) 12.0 (3.1–45.6) 82
 ≥39 3 69(59–78) 76(66–84) 4.1(0.8–20.6) 0.48(0.21–1.06) 9.1 (3.2–25.6) 15
Aetiology of MHE
 Bypass 2 39 (20–59) 97(87–100) 8.2 (1.1–59.8) 0.63 (0.29–1.37) 13.9 (1.0–186.4) 46
 Cirrhosis 7 64 (57–70) 77 (72–81) 3.2 (1.9–5.6) 0.40 (0.25–0.67) 10.6 (3.7–30.5) 79