Table 3. Comparison of compression rate with respect to visual feedback device.
Chi-square value = 11.09; n=number of participants
Compression without visual feedback device (total subjects) | Compression rate with visual feedback device | p | kappa | ||
< 100/minute, n (%) | 100-120/minute, n (%) | >120/minute, n (%) | |||
<100/ minute (42) | 11 (7.5) | 30 (20.5) | 1 (7) | 0.011 | 0.167 |
100-120/minute (95) | 11 (7.5) | 82 (56.2) | 2 (1.4) | ||
>120/minute (9) | 3 (2.1) | 5 (3.4) | 1 (7) |