Table 4 Subgroup analysis
Subgroup | studies | RR, 95%CI | Heterogeneity within group I2 | |
|---|---|---|---|---|
Short-term favorable neurological status | ||||
Location | IHCA | 3 | 2.18 [1.24, 3.81] | 9% |
OHCA | 7 | 1.50 [0.98, 2.29] | 55% | |
Long-term favorable neurological status | ||||
Location | IHCA | 3 | 2.17 [1.19, 3.94] | 0% |
OHCA | 5 | 1.95 [1.06, 3.59] | 11% | |
Short-term survival rate (at discharge/1 month) | ||||
Location | IHCA | 3 | 2.03 [1.30, 3.18] | 0% |
OHCA | 9 | 1.10[0.91, 1.34] | 44% | |
Long-term survival rate (at 3-6 month or 1 year) | ||||
Location | IHCA | 3 | 1.92 [1.14, 3.25] | 0% |
OHCA | 3 | 3.16 [1.36, 7.38] | 0% | |