Subgroup
|
No. of studies
|
HR
|
95% CI
|
P-value
|
I2 (%)
|
---|
Single centre studies
|
Univariate analysis
|
8
|
1.52
|
1.39, 1.67
|
< 0.001
|
29
|
Multivariate analysis
|
13
|
1.53
|
1.22, 1.91
|
< 0.001
|
76
|
Multicentre studies
|
Univariate analysis
|
7
|
1.54
|
1.36, 1.74
|
< 0.001
|
0
|
Multivariate analysis
|
7
|
1.67
|
1.41, 1.99
|
< 0.001
|
51
|
Western studies
|
Univariate analysis
|
8
|
1.46
|
1.34, 1.59
|
< 0.001
|
0
|
Multivariate analysis
|
11
|
1.55
|
1.25, 1.92
|
< 0.001
|
87
|
Eastern studies
|
Univariate analysis
|
7
|
1.82
|
1.55, 2.15
|
< 0.001
|
0
|
Multivariate analysis
|
10
|
1.62
|
1.40, 1.87
|
< 0.001
|
35
|
- CI confidence interval, HR hazard ratio