Table 2.
Participants’ CPR performance assessment in the T-CPR simulation scenario
| T-CPR performance | Phase I (n=186) | Phase II (n=170) | ||||
| TCPRLink group (n=94) |
T-CPR group (n=92) |
P-value | TCPRLink group (n=86) |
T-CPR group (n=84) |
P-value | |
| Counting with the dispatcher (n, %) | 20 (21.3) | 38 (41.3) | 0.003 | 6 (7.0) | 19 (22.6) | 0.004 |
| Time from call connected to: (seconds, mean±SD) | ||||||
| Cardiac arrest identification | 98.2±12.8 | 99.1±16.9 | 0.68 | 101.7±13.0 | 104.2±15.0 | 0.25 |
| First chest compression | 143.6±17.8 | 140.0±25.8 | 0.27 | 149.7±16.6 | 146.0±20.2 | 0.19 |
| CPR parameters (M (P25−P75) or mean±SD) | ||||||
| Total number of compressions | 661 (643–674) | 648 (615–674) | 0.035 | 661 (644–675) | 646 (630–667) | 0.002 |
| Average compression rate (min−1) | 111 (109–113) | 108 (103–112) | 0.002 | 111 (109–113) | 108 (105–112) | <0.001 |
| Percentage of adequate rate (100–120 min−1, %) | 96 (89–98) | 82 (50–97) | <0.001 | 95 (78–98) | 93 (67–97) | 0.11 |
| Average compression depth (mm) | 45.4±8.8 | 43.6±8.8 | 0.17 | 43.9±9.1 | 42.9±11.5 | 0.59 |
| Percentage of adequate depth (50–60 mm, %) | 20 (3–74) | 12 (0–51) | 0.14 | 17 (4–54) | 13 (0–57) | 0.26 |
| Percentage of fully released (%) | 97 (72–100) | 97 (69–100) | 0.79 | 95 (54–100) | 96 (51–100) | 0.40 |
| Average hands-off time (s) | 0 (0–1) | 0 (0–1) | 0.24 | 0 (0–1) | 0 (0–1) | 0.72 |
Phase I tests were cardiopulmonary resuscitation (CPR) performance and capabilities assessment using the telephone-assisted CPR (T-CPR) simulation scenario among individuals who have undergone CPR training with/without the TCPRLink application.
Phase II tests were CPR skill retention assessments among individuals with/without TCPRLink application after 3 months.
T-CPR, telephone-assisted cardiopulmonary resuscitation.