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Table 1 Baseline characteristics

From: Short structured feedback training is equivalent to a mechanical feedback device in two-rescuer BLS: a randomised simulation study

  Standard BLS (sCPR) (n = 114) QCPR (mfCPR) (n = 102) Human feedback (hfCPR) (n = 110) P-value (ANOVA/Chi2)
Sex (female), n/% 45/40 45/44 51/46 0.569
BMI1 21.88 ± 2.27 22.20 ± 2.84 21.77 ± 2.57 0.460
Age [years] 22 (21–23) 22 (21–23) 22 (21–23) 0.910
Real patient resuscitation performed, n/% 24/21 22/22 21/19 (n = 109) 0.909
Months since last resuscitation 30 (16–36) 20 (8–33) 26 (14–36) 0.438
Last BLS course within n/%
 Never 5/4 4/4 1/1 0.267
 <6 months ago 28/25 23/23 36/33 0.201
 6–12 months ago 13/11 10/10 18/16 0.318
 12–24 months ago 43/38 44/43 39/36 0.501
 >24 months ago 24/21 20/20 16/15 0.423
 Missing 1/1 1/1 0/0 0.596
 Duration of training until competent [s] 210 (157–259)# 210 (185–320) 258 (200–360)#,† <0.001
 Total training time [min:s] 5:57 (5:04–6:46)#, * 6:18 (5:53–8:08) #, + 9:32 (8:34–11:14)+, * <0.001
  1. #p<0.001 for comparison of sCPR vs. hfCPR
  2. p=0.038 for comparison of mfCPR vs. hfCPR
  3. # p=0.010 for comparison of sCPR vs. mfCPR
  4. +p<0.001 for comparison of mfCPR vs. hfCPR
  5. *p<0.001 for comparison of sCPR vs. hfCPR
  6. Fonts in bold indicate statistical significance (p<0.05)