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Table 4 Effect of cell dose used for BMC transplantation left ventricular function

From: Effects of timing on intracoronary autologous bone marrow-derived cell transplantation in acute myocardial infarction: a meta-analysis of randomized controlled trials

 

No. of RCTs

Difference in mean (95% CI)

P value

LV ejection fraction

 Cell dose ≤ 10^7

3

1.91 [–0.05 to 3.87]

0.06

 Cell dose > 10^7, ≤ 10^8

11

1.56 [–2.95 to 6.06]

0.50

 Cell dose > 10^8, ≤ 10^9

16

1.65 [0.22 to 3.09]

0.02

 Cell dose > 10^9, ≤ 10^10

4

5.87 [0.79 to 10.95]

0.02

LV end-diastolic indexes

 Cell dose ≤ 10^7

3

–6.00 [–15.20 to 3.20]

0.20

 Cell dose > 10^7, ≤ 10^8

8

–7.36 [–11.45 to –3.27]

0.0004

 Cell dose > 10^8, ≤ 10^9

12

–0.69 [–2.22 to 0.83]

0.37

 Cell dose > 10^9, ≤ 10^10

3

4.63 [–1.74 to 11.00]

0.15

LV end-systolic indexes

 Cell dose ≤ 10^7

3

–8.01 [–17.88 to 1.87]

0.11

 Cell dose > 10^7, ≤ 10^8

6

–12.99 [–19.07 to –6.91]

< 0.0001

 Cell dose > 10^8, ≤ 10^9

11

0.32 [–1.62 to 2.26]

0.75

 Cell dose > 10^9, ≤ 10^10

3

–1.50 [–6.90 to 3.89]

0.59

  1. RCTs randomized controlled trials, 95% CI 95% confidence interval