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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Resuscitation. 2015 Apr 25;93:150–157. doi: 10.1016/j.resuscitation.2015.04.010

Table 2.

Summary of CPR Quality Parameters in Analyzed Population1

Overall Cohort 1 to 11 years 12 to 18 years p-value2
Summary Statistics
 Fraction
  No. (%) 390 (100.0 %) 146 (100 %) 244 (100 %)
  Mean (± SD) 0.76 (± 0.17) 0.78 (± 0.19) 0.75 (± 0.15) 0.16
 Rate
  No. (%) 390 (100.0 %) 146 (100 %) 244 (100 %)
  Mean (± SD) 118.7 (± 22.2) 124.7 (± 28.3) 115.1 (± 16.8) <0.01
 Depth
  No. (%) 153 (39.2 %) 34 (23.3 %) 119 (48.8 %)
  Mean (± SD) 39.5 (± 10.7) 32.5 (± 9.8) 41.5 (± 10.1) <0.01
Compliance with AHA Guidelines
 Fraction and Rate Compliant 85 (21.8 %) 22 (15.1 %) 63 (25.8 %) 0.01
 Fraction Compliant (≥ 0.80) 205 (52.6 %) 92 (63 %) 113 (46.3 %) <0.01
 Rate Compliant (≥ 100 and ≤ 120 per minute) 141 (36.2 %) 34 (23.3 %) 107 (43.9 %) <0.01
 Depth Compliant (≥ 38 mm) 89 (58.2 %) 12 (35.3 %) 77 (64.7 %) <0.01
 Depth Compliant (≥ 51 mm)3 12 (16.0 %) 0 (0 %) 12 (21.8 %) 0.02
1

Categorical variables are reported as No. (%). Continuous variables are reported as mean (± standard deviation).

2

p value for comparison across pre-determined age categories

3

Arrests occurring in 2011 or later.