Table 1

Summary of overall effect by model

Model 1: No control
(95% CI)
Model 2: Compared with control
(95% CI)
Model 6: ‘High-dose’ areas compared with ‘low-dose’ areas
(95% CI)
Total number of out-of-hospital deaths occuring within 7 days post incidentDecrease
−4.2%
(−15.9% to +7.7%)
p=0.49
Increase
+2.2%
(−6.9% to +11.3%)
p=0.63
Increase
+1.6%
(−9.7% to +12.8%)
p=0.78
Total number of deaths occurring within 7 days post incidentDecrease
−4.6%
(−14.4% to +5.4%)
p=0.37
Increase
+2.5%
(−5.2% to +10.2%)
p=0.52
Decrease
−4.0%
(−13.0% to +5.0%)
p=0.39
Case fatality ratio (7 day)Decrease
−0.3%
(−1.7% to +1.2%)
p=0.71
Increase
+2.3%
(+0.9% to +3.6%)
p<0.001
No change
0.0%
(−2.3% to +2.3%)
p=0.10