Skip to main content

Table 1 Demographic characteristics of the STD-CPR and CO-CPR groups

From: Evaluation of abdominal compression–decompression combined with chest compression CPR performed by a new device: Is the prognosis improved after this combination CPR technique?

  CO-CPR STD-CPR P value*
Total (n = 135) Total (n = 143)
Baseline characteristics
 Age(Mean ± SD), years 58.33 ± 14.88 59.62 ± 14.91 0.471
 Men, n(%) 100(74.1%) 101(70.6%) 0.521
 Witnessed, n(%) 81(60.0%) 84(58.7%) 0.831
 Bystander CPR, n (%) 51(37.8%) 50(35.0%) 0.626
 First monitored shockable rhythm, n (%) 11(8.1%) 17(11.9%) 0.300
 Epinephrine < 5 mg, n(%)a 30(22.2%) 39(27.3%) 0.330
Etiology
 Medical, n (%) 110(81.5%) 108(75.5%) 0.228
 Asphyxia, n (%) 14(10.4%) 12(8.4%) 0.571
 Drowning, n (%) 0 2(1.4%) 0.499
 Others, n (%) 11(8.1%) 21(14.7%) 0.088
Location    
 Home, n (%) 85(63.0%) 99(69.2%) 0.270
 Public place, n (%) 23(17.0%) 18(12.6%) 0.296
 Others, n (%) 27(20.0%) 26(18.2%) 0.700
Comorbidities    
 Diabetes, n (%) 48(35.6%) 50(35.0%) 0.918
 Hypertension, n (%) 64(47.4%) 63(44.1%) 0.575
 Malignancy, n (%) 14(10.4%) 13(9.1%) 0.719
 Lung disease, n (%) 7(5.2%) 10(7.0%) 0.530
 Previous stroke, n (%) 17(12.6%) 25(17.5%) 0.255
 Chronic renal disease, n (%) 8(5.9%) 12(8.4%) 0.427
 Cardiovascular disease, n (%) 77(57.0%) 69(48.3%) 0.143
 COPD, n(%) 3(2.2%) 4(2.8%) 0.760
  1. COPD, Chronic obstructive pulmonary disease
  2. *Fisher’s exact or Pearson’s chi-square tests
  3. aEpinephrine dose dichotomized according to median