Table 2 A summary results of the meta-analysis.

From: The effectiveness of pressure therapy (15–25 mmHg) for hypertrophic burn scars: A systematic review and meta-analysis

Outcomes

NO. of study

Heterogeneity test

Effect Model

Effect size

I 2

P

MD/SMD

95% CI

P

VSS

5

37%

0.17

Random

−0.60

−0.92, −0.28

<0.01

Fixed

−0.58

−0.78, −0.37

<0.01

Thickness

7

48%

0.09

Random

−0.38

−0.63, −0.12

<0.01

Fixed

−0.25

−0.40, −0.11

<0.01

L*a*b*: L

4

0%

0.59

Random

2.00

0.59, 3.42

0.01

Fixed

2.00

0.59, 3.42

0.01

L*a*b*: a

5

0%

0.57

Random

−0.79

−1.52, −0.07

0.03

Fixed

−0.79

−1.52, −0.07

0.03

L*a*b*: b

4

50%

0.11

Random

0.86

−0.16, 1.87

0.10

Fixed

0.86

0.18, 1.55

0.01

Pigmentation

3

4%

0.35

Random

−0.17

−0.33, −0.00

0.05

Fixed

−0.16

−0.32, −0.00

0.04

Hardness

5

65%

0.02

Random

−0.65

−1.07, −0.23

<0.01

Fixed

−0.60

−0.84, −0.37

<0.01

Vascularity

2

0%

0.80

Random

0.03

−0.43, 0.48

0.91

Fixed

0.03

−0.43, 0.48

0.91

  1. VSS: Vancouver Scar Scale score; L*a*b*: L: Scar brightness; L*a*b*: a: Scar redness; L*a*b*: b: Scar yellowness; MD: mean difference; SMD: standardized mean difference.