Meta-analysis of the success rate of heartbeat recovery in patients with prehospital cardiac arrest in the past 40 years in China

Table 4 The HRR of the telephone guidance group and other groups at different times

Group	Case	Heterogeneity test			Model	Success rate	Confidence interval (95%CI)	Number of success	Number of patients
Group	Case	Q-value	P-value	I² (%)	Model	Success rate	Confidence interval (95%CI)	Number of success	Number of patients
Telephone guidance	5	4.99	< 0.001	0.0	Random	0.273	0.227; 0.325	88	322
0 to ≤5 min	53	824.93	< 0.001	95.2	Random	0.429^a	0.347; 0.516	1, 435	5, 131
5 to ≤10 min	66	1, 538.87	< 0.001	94.8	Random	0.143^b	0.104; 0.193	911	21, 446
10 to ≤15 min	49	153.65	< 0.001	83.8	Random	0.049^b	0.034; 0.069	259	4, 377
> 15 min	16	54.28	< 0.001	84.7	Random	0.022^b	0.009; 0.051	67	1, 451
Total	189	2, 576.72	< 0.001	93.4	Random	0.139	0.109; 0.183	2760	32, 727

^aThe difference between the telephone guidance group and 0 to ≤5 min is significantly different
^bThe difference between the telephone guidance group and 5 to ≤10 min group, 10 to ≤15 min group and > 15 min group are significantly different

ISSN: 2054-9369