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. 2012 May 16;2012(5):CD008344. doi: 10.1002/14651858.CD008344.pub2

Comparison 20.

Appearance of encephalopathy ‐ absolute risk difference (ARD)

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 All studies 23 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
1.1 All trials 23 1062 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.06, 0.01]
1.2 Standard amino acids 11 339 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.09, 0.05]
1.3 BCAAs 15 772 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.07, 0.01]
2 Parenteral nutrition ‐ all trials 5 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
2.1 All trials 5 231 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.13, 0.02]
2.2 Standard amino acids 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
2.3 BCAAs 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
3 Parenteral nutrition ‐ medical trials 3 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
3.1 All trials 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
3.2 Standard amino acids 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
3.3 BCAAs 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
4 Parenteral nutrition ‐ surgical trials 2 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
4.1 A;ll trials 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
4.2 Standard amino acids 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
4.3 BCAAs 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
5 Enteral nutrition ‐ all studies 4 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
5.1 All trials 4 102 Risk Difference (M‐H, Fixed, 95% CI) 0.10 [‐0.04, 0.25]
5.2 Standard amino acids 4 91 Risk Difference (M‐H, Fixed, 95% CI) 0.08 [‐0.07, 0.24]
5.3 BCAAs 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
6 Enteral nutrition ‐ medical trials 4 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
6.1 All studies 4 102 Risk Difference (M‐H, Fixed, 95% CI) 0.04 [‐0.10, 0.18]
6.2 Standard amino acids 4 91 Risk Difference (M‐H, Fixed, 95% CI) 0.08 [‐0.07, 0.24]
6.3 BCAAs 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
7 Enteral nutrition ‐ surgical trials 0 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
7.1 All trials 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.2 Standard amino acids 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.3 BCAAs 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
8 Supplements 14 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
8.1 All trials 14 734 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.07, 0.01]
8.2 Standard amino acids ‐medical trials 4 170 Risk Difference (M‐H, Fixed, 95% CI) ‐0.04 [‐0.13, 0.05]
8.3 BCAAs ‐ medical trials 10 536 Risk Difference (M‐H, Fixed, 95% CI) ‐0.04 [‐0.09, 0.01]
8.4 All supplements ‐ medical 12 666 Risk Difference (M‐H, Fixed, 95% CI) ‐0.04 [‐0.08, 0.01]
8.5 All surgical 2 68 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [‐0.08, 0.08]
9 Medical trials all trials 19 846 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.07, 0.02]
9.1 Parenteral nutrition 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
9.2 Enteral nutrition 4 102 Risk Difference (M‐H, Fixed, 95% CI) 0.10 [‐0.04, 0.25]
9.3 Supplements 12 657 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.08, 0.01]
10 Medical trials ‐ standard amino acids 11 339 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.09, 0.05]
10.1 Parenteral nutrition 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
10.2 Enteral nutrition 4 91 Risk Difference (M‐H, Fixed, 95% CI) 0.08 [‐0.07, 0.24]
10.3 Supplements 4 161 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.13, 0.06]
11 Medical trials ‐ BCAAs 11 560 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.08, 0.02]
11.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
11.2 Enteral nutrition 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
11.3 Supplements 10 536 Risk Difference (M‐H, Fixed, 95% CI) ‐0.04 [‐0.09, 0.01]
12 Surgical trials ‐ all studies 4 212 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.09, 0.04]
12.1 Parenteral nutrition 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
12.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
12.3 Supplements 2 68 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [‐0.08, 0.08]
13 Surgical trials ‐ standard amino acids 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.3 Supplements 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14 Surgical trials ‐ BCAAs 4 212 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.09, 0.04]
14.1 Parenteral nutrition 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
14.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14.3 Supplements 2 68 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [‐0.08, 0.08]
15 Alcoholic hepatitis ‐ all studies 6 172 Risk Difference (M‐H, Fixed, 95% CI) 0.02 [‐0.07, 0.12]
15.1 Parenteral nutrition 2 47 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.25, 0.07]
15.2 Enteral nutrition 2 48 Risk Difference (M‐H, Fixed, 95% CI) 0.14 [‐0.09, 0.37]
15.3 Supplements 2 77 Risk Difference (M‐H, Fixed, 95% CI) 0.02 [‐0.11, 0.16]
16 Alcoholic hepatitis ‐ standard amino acids 6 161 Risk Difference (M‐H, Fixed, 95% CI) 0.01 [‐0.09, 0.11]
16.1 Parenteral nutrition 2 47 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.25, 0.07]
16.2 Enteral nutrition 2 37 Risk Difference (M‐H, Fixed, 95% CI) 0.11 [‐0.15, 0.36]
16.3 Supplements 2 77 Risk Difference (M‐H, Fixed, 95% CI) 0.02 [‐0.11, 0.16]
17 Alcoholic hepatitis ‐ BCAA 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
17.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
17.2 Enteral nutrition 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
17.3 Supplements 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
18 Cirrhosis ‐ all studies 12 420 Risk Difference (M‐H, Fixed, 95% CI) ‐0.04 [‐0.10, 0.02]
18.1 Parenteral nutrition 1 40 Risk Difference (M‐H, Fixed, 95% CI) ‐0.1 [‐0.32, 0.12]
18.2 Enteral nutrition 2 54 Risk Difference (M‐H, Fixed, 95% CI) 0.07 [‐0.12, 0.26]
18.3 Supplements 9 326 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.11, 0.01]
19 Cirrhosis ‐ standard amino acids 6 229 Risk Difference (M‐H, Fixed, 95% CI) ‐0.01 [‐0.09, 0.08]
19.1 Parenteral nutrition 1 40 Risk Difference (M‐H, Fixed, 95% CI) ‐0.1 [‐0.32, 0.12]
19.2 Enteral nutrition 2 54 Risk Difference (M‐H, Fixed, 95% CI) 0.07 [‐0.12, 0.26]
19.3 Supplements 3 135 Risk Difference (M‐H, Fixed, 95% CI) ‐0.01 [‐0.12, 0.10]
20 Cirrhosis ‐ BCAAs 8 231 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.13, 0.02]
20.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
20.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
20.3 Supplementss 8 231 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.13, 0.02]
21 HCC ‐ all studies 2 305 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.09, 0.04]
21.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
21.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
21.3 Supplements 2 305 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.09, 0.04]
22 HCC ‐ standard amino acids 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
22.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
22.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
22.3 Supplements 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
23 HCC ‐ BCAAs 2 305 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.09, 0.04]
23.1 Parenteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
23.2 Enteral nutrition 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
23.3 Supplements 2 305 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.09, 0.04]
24 Abstracts excluded 18 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
24.1 All trials 18 659 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.06, 0.02]
24.2 Standard amino acids 7 201 Risk Difference (M‐H, Fixed, 95% CI) ‐0.01 [‐0.10, 0.08]
24.3 BCAAs 12 471 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.06, 0.02]
24.4 Parenteral nutrition all 5 231 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.13, 0.02]
24.5 Parenteral nutrition SAAs 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
24.6 Parenteral nutrition BCAAs 2 144 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.12, 0.05]
24.7 Enteral nutrition all 2 48 Risk Difference (M‐H, Fixed, 95% CI) 0.14 [‐0.09, 0.37]
24.8 Enteral nutrition SAAs 2 37 Risk Difference (M‐H, Fixed, 95% CI) 0.11 [‐0.15, 0.36]
24.9 Enteral nutrition BCAAs 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
24.10 Supplements all 11 380 Risk Difference (M‐H, Fixed, 95% CI) ‐0.02 [‐0.07, 0.03]
24.11 Supplements ‐ SAAs 2 77 Risk Difference (M‐H, Fixed, 95% CI) 0.02 [‐0.11, 0.16]
24.12 Supplements ‐ BCAAs 9 303 Risk Difference (M‐H, Fixed, 95% CI) ‐0.03 [‐0.08, 0.02]
25 Surgical trials ‐ transplant trials eliminated 3 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
25.1 All trials 3 192 Risk Difference (M‐H, Fixed, 95% CI) ‐0.00 [‐0.07, 0.06]
25.2 Standard amino acids 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
25.3 BCAAs 3 192 Risk Difference (M‐H, Fixed, 95% CI) ‐0.00 [‐0.07, 0.06]
26 ITT ‐ Parenteral nutrition ‐ best‐case scenario for intervention 5 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
26.1 All trials 5 257 Risk Difference (M‐H, Fixed, 95% CI) ‐0.16 [‐0.25, ‐0.08]
26.2 Standard amino acids 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
26.3 BCAAs 2 170 Risk Difference (M‐H, Fixed, 95% CI) ‐0.2 [‐0.30, ‐0.10]
27 ITT ‐ Parenteral nutrition ‐ worst‐case scenario for intervention 5 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
27.1 All trials 5 257 Risk Difference (M‐H, Fixed, 95% CI) 0.04 [‐0.04, 0.12]
27.2 Standard amino acids 3 87 Risk Difference (M‐H, Fixed, 95% CI) ‐0.09 [‐0.23, 0.04]
27.3 BCAAs 2 170 Risk Difference (M‐H, Fixed, 95% CI) 0.11 [0.01, 0.20]
28 ITT ‐ Enteral nutrition ‐ best‐case scenario for intervention 4 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
28.1 All trials 4 112 Risk Difference (M‐H, Fixed, 95% CI) 0.03 [‐0.11, 0.17]
28.2 Standard amino acids 4 101 Risk Difference (M‐H, Fixed, 95% CI) 0.01 [‐0.13, 0.16]
28.3 BCAAs 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
29 ITT ‐ Enteral nutrition ‐ worst‐case scenario for intervention 4 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
29.1 Standard amino acids 4 112 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [0.07, 0.35]
29.2 BCAAs 1 24 Risk Difference (M‐H, Fixed, 95% CI) 0.21 [‐0.14, 0.56]
29.3 All trials 0 0 Risk Difference (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
30 ITT‐ Supplements ‐ best‐case scenario for intervention 14 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
30.1 All trials 14 782 Risk Difference (M‐H, Fixed, 95% CI) ‐0.08 [‐0.12, ‐0.03]
30.2 Standard amino acids ‐medical trials 4 191 Risk Difference (M‐H, Fixed, 95% CI) ‐0.15 [‐0.25, ‐0.06]
30.3 BCAAs ‐ medical trials 10 559 Risk Difference (M‐H, Fixed, 95% CI) ‐0.06 [‐0.11, ‐0.02]
30.4 All supplements ‐ medical 12 707 Risk Difference (M‐H, Fixed, 95% CI) ‐0.08 [‐0.12, ‐0.03]
30.5 All surgical 2 74 Risk Difference (M‐H, Fixed, 95% CI) ‐0.05 [‐0.16, 0.05]
31 ITT ‐ Supplements ‐ worst‐case scenario for intervention 14 Risk Difference (M‐H, Fixed, 95% CI) Subtotals only
31.1 All trials 14 781 Risk Difference (M‐H, Fixed, 95% CI) 0.03 [‐0.02, 0.07]
31.2 Standard amino acids ‐medical trials 4 191 Risk Difference (M‐H, Fixed, 95% CI) 0.07 [‐0.03, 0.16]
31.3 BCAAs ‐ medical trials 10 559 Risk Difference (M‐H, Fixed, 95% CI) 0.00 [‐0.05, 0.05]
31.4 All supplements ‐ medical 12 707 Risk Difference (M‐H, Fixed, 95% CI) 0.02 [‐0.03, 0.07]
31.5 All surgical 2 74 Risk Difference (M‐H, Fixed, 95% CI) 0.11 [‐0.01, 0.23]