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Table 5 The HRR of the witness + public group and other groups at different times

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

Group Case The test for heterogeneity Model Success rate Confidence interval (95%CI) Number of success Number of patients
Q-value P-value I2 (%)
Witness 11 140.71 < 0.001 95.0 Random 0.325 0.216; 0.458 561 2, 715
0 to ≤5 min 47 546.33 < 0.001 93.3 Random 0.439 0.351; 0.533 962 2, 738
5 to ≤10 min 66 1, 538.87 < 0.001 94.8 Random 0.143a 0.104; 0.193 911 21, 446
10 to ≤15 min 49 153.65 < 0.001 83.8 Random 0.049a 0.034; 0.069 259 4, 377
> 15 min 16 54.28 < 0.001 84.7 Random 0.022a 0.009; 0.051 67 1, 451
Total 189 2, 433.84 < 0.001 92.3 Random 0.139 0.108; 0.183 2760 32, 727
  1. aThe difference between the witness group and 5 to ≤10 min group,10 to ≤15 min group and > 15 min group are significantly different