Skip to main content

Table 3 Results of subgroup analysis

From: A meta-analysis of the incidence rate of postoperative acute kidney injury in patients with congenital heart disease

Outcomes No. of studies IR(95%CI) Heterogeneity test P-sub
P I2 (%)
Overall 30 0.384 (0.320, 0.447) < 0.001 98.169
Location      0.291
 Asia 9 0.436 (0.319, 0.554) < 0.001 97.477  
 Western 21 0.361 (0.287, 0.436) < 0.001 98.268  
Type of surgery      0.694
 CS for CHD 16 0.397 (0.324, 0.471) < 0.001 98.024  
 CS for CHD with CPB 14 0.368 (0.242, 0.494) < 0.001 98.343  
Type of cohort      0.118
 Prospective 10 0.451 (0.352, 0.550) < 0.001 95.038  
 Retrospective 20 0.352 (0.376, 0.427) < 0.001 98.446  
Age      0.002
  < 1 month 6 0.543 (0.452, 0.633) 0.002 73.164  
 1 month-18 years 14 0.416 (0.335, 0.496) < 0.001 96.927  
  < 18 years 10 0.299 (0.209, 0.389) < 0.001 97.854  
  ≥ 18 years 3 0.300 (0.096, 0.505)  
Criteria of AKI      0.471
 pRIFLE 13 0.362 (0.255, 0.470) < 0.001 98.584  
 AKIN 8 0.348 (0.242, 0.453) < 0.001 96.643  
 KDIGO 9 0.447 (0.318, 0.576) < 0.001 98.358  
  1. P-sub P value of the difference between subgroups; −-, not available. IR incidence rate
\