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International Journal of Phytomedicine and Phytotherapy

Table 6 Mortality as relative risk (RR) in placebo controlled cirrhosis trials

From: The potential of silymarin for the treatment of hepatic disorders

Study

Duration

Dose

Silymarin

Control

(Total mortality)

Liver Related Mortality

(Weight)

(RR (fixed))

Weight

RR (fixed)

(Mo.)

mg/day

(nt) nL/N

(nt) nL/N

(%)

(95 % CI)

%

95 % CI

Ferenci, 1989 [115]

24

420

(28) 18/87

(39) 31/83

(61.79)

(0.68 [0.47, 1.00])

57.29

0.55 [0.34, 0.91]

Trinchet,1989 [132]

3

420

(1) 01 / 57

(3) 03 / 59

(4.56)

(0.35 [0.04, 3.22])

5.32

0.35 [0.04, 3.22]

Bunout,1992 [133]

15

280

(5) 04 / 34

(5) 05 / 37

(7.41)

(1.09 [0.34, 3.43])

8.65

0.87 [0.25, 2.98]

Pares,1998 [116]

24

450

(16) 10/103

(15) 14/97

(23.91)

(1.00 [0.53, 1.92])

26.04

0.67 [0.31, 1.44]

Lucena, 2002 [134]

6

450

(0) 0/30

(1) 1 / 30

(2.32)

(0.33 [0.01, 7.87])

2.71

0.33 [0.01, 7.87]

Total (95 % CI)

  

(50) 33/311

(63) 54/306

(100)

(0.77 [0.56, 1.05])

100

0.60 [0.40, 0.88]

  1. Total mortality: Test for heterogeneity: Chi2 = 2.12, df = 4 (P = 0.71), I2 = 0 %; Test for overall effect: Z = 1.65 (P = 0.10). Liver Related Mortality: Test for heterogeneity: Chi2 = 0.90, df = 4 (P = 0.92), I2 = 0 %; Test for overall effect: Z = 2.64 (P = 0.008)