Skip to main content

Table 2 Subgroup analysis of LVEF change

From: Autologous bone marrow stem cell transplantation for patients undergoing coronary artery bypass grafting: a meta-analysis of 22 randomized controlled trials

Variable

No. of trials

MD[95% CI]

Heterogeneity (I2) (%)

P-value

Follow-up for examining LVEF (months)

 > 6

10

3.54 [0.91, 6.17]

79

0.79

 ≤ 6

12

4.10 [0.92, 7.28]

81

 

Method of measurement

 ECHO

8

6.39 [3.71, 9.08]

84

0.05

 MRI

12

1.80 [−0.77, 4.36]

55

 

SPECT

2

2.93 [−7.41,13.28]

90

 

Type of stem cells

 BMMNC/BMC

14

3.84 [1.28, 6.40]

75

0.82

 CD133 + /CD34 + 

7

3.29 [−0.58, 7.16]

89

 

Route of cell administration

 IM

18

3.80 [1.53, 6.06]

84

0.48

 IC

3

5.07 [2.34, 7.80]

0

 

Amount of stem cells administered

 ≥ 108

8

3.78 [0.52, 7.03]

77

0.57

 < 108

8

5.34 [1.05, 9.63]

84

 

Baseline LVEF (%)

 < 30

6

3.97 [−0.68, 8.62]

87

0.94

 ≥ 30

16

3.78 [1.58, 5.99]

77