Table 2 Performance variables for chest compressions performed with feedback
Variable | 0 to 29.9 s | 30 s to 59.9 s | 60 s to 89.9 s | 90 s to 120 s |
|---|---|---|---|---|
Compressions above target (%) | 20.4(0.00-92.4) | 2.04(0.00-98.0) | 2.00(0.00-100) | 0.00(0.00-88.98) |
Compressions within target (%) | 54.0(5.06-82.9) | 88.0(2.00-99.0) | 72.6(0.00-99.0) | 87.0(2.02-100) |
Compressions below target (%) | 3.92(0.85-13.2) | 0.00(0.00-1.00)* | 0.00(0.00-2.73)* | 0.00(0.00-1.04)* |
Mean compression depth (cm) | 5.99 SD 0.85 | 6.00 SD 0.82 | 5.85 SD 0.78 | 5.79 SD 0.79 |
Rate above target (%) | 0.00 (0.00-2.91) | 0.00 (0.00-0.00) | 0 .00 (0.00-0.00) | 0.00 (0.00-0.00) |
Rate within target (%) | 64.0(38.8-82.4) | 66.0(56.0-84.3) | 62.0 (52.0-85.3) | 62.5 (51.6-81.5) |
Rate below target (%) | 20.0 (2.90-47.0) | 30.0 (2.78-40.0) | 34.0 (2.77-41.0) | 28.9 (0.91-43.8) |
Mean compression rate (min-1) | 102.6 SD 9.6 | 103.2 SD 9.4 | 102.7 SD 9.2 | 103.1 SD 9.7 |