TABLE 2

Key results shown by index and subsequent exacerbation type

Category of subsequent exacerbation
EDHospitalPICU
Category of index exacerbation
 ED5 studies
ORs 3.3 [23], 6.27 [21], 8.26 [14]
HR 2.03 [26]
Relative risk 1.13 [35]
3 studies
ORs 3.1 [23], 3.28 [18]
HR 1.85 [26]
No studies
 Hospital2 studies
OR 0.85 [14]
HR 1.45 [26]
6 studies
ORs 1.89 [18], 3.3 [24], 3.37 [16], 3.6 [29], 5.36 [15]
HR 2.87 [26]
3 studies
ORs 5.4 [27], 8.19 [34], 16.9 [24]
 PICUNo studies2 studies
ORs 2.18 [18], 29.62 [28]
2 studies
ORs 2.4 [24], 7.83 [37]

ED: emergency department; PICU: paediatric intensive care unit; HR: hazard ratio.