Table 1

Characteristics of responding and non-responding studies

Responders
n=64
(62.1%)
Non-responders
n=39
(37.9%)
P value
(Pearson χ2)
Location of cardiac arrestOut-of-hospital48 (75)34 (87)p=0.05*
In-hospital9 (14)0 (0)
Both7 (11)5 (13)
Continent of recruitmentEurope40 (63)20 (51)p=0.016*
North America15 (23)9 (23)
Australasia5 (8)0 (0)
Asia4 (6)10 (26)
Type of interventionDrug18 (28)13 (33)p=0.576
Non-drug46 (72)26 (67)
Year study openedPre-201522 (34)17 (44)p=0.636
2015–201922 (34)11 (28)
2020 onwards20 (31)11 (28)
  • *Significant at p≤0.05