Table 1 Data on quality of cardiopulmonary resuscitation (CPR) treated by physicians with Q-CPR (n = 52)
Episode duration, median (IQR), min:s | 12:06 (7:48, 16:53) |
Total number of compressions, (No.) | 62895 |
Compression depth (mm) | |
Episode mean (SD) | 40 (6) |
Fraction of 1-min epochs with compression depth < 40 mm, No. (%) | 292/629 (46) |
Fraction of 1-min epochs with compression depth < 50 mm, No. (%) | 604/629 (96) |
Compression depth within recommended (>40 mm) > 60% of episodes 1-min epochs, No (%) | 20/52 (39) |
Compression rate (min-1)a | |
Episode mean (SD) | 108 (10) |
Fraction of minutes with compression rate <90 or >120 min−1, No. (%) | 60/629 (10) |
Compressions delivered (min-1), episode mean (SD)b | 95 (20) |
Compressions with incomplete releasec | |
Number of total compressions, No. (%) | 5158/62895 (8) |
Percentage of total number of episode compressions, median (IQR) | 3 (1, 14) |
Incomplete chest release per 1 min segments, median (IQR),% | 0 (0, 6) |
Compression as part of duty cycle, episode mean (SD),% | 43 (4) |
No flow time (pauses)d | |
No-flow fraction, median (IQR) | 0.10 (0.07, 0.16) |
No flow time per 60 s fraction, mean (SD), s | 7 (9) |
Pre-shock pause, median (IQR)e, s | 9 (5, 15) |
Post-shock pause, median (IQR)f, s | 3 (2, 5) |