Table 2.
Pre- and post-intervention alarm response rates by unit (PICU vs. GICU) and device type (Monitor vs. Ventilator)
| Unit | Device | Response rate | Test statistic | p-value | Test type | |
|---|---|---|---|---|---|---|
| Pre | Post | |||||
| Pediatric ICU | Monitor |
64.9% (n = 77) |
69.2% (n = 133) |
0.23 | 0.632 | Chi-squared |
| Ventilator |
63.6% (n = 11) |
60.0% (n = 5) |
1 | Fisher’s Exact | ||
| General ICU | Monitor |
64.1% (n = 117) |
44.9% (n = 78) |
6.278 | 0.012* | Chi-squared |
| Ventilator |
32.2% (n = 87) |
87.5% (n = 8) |
0.003* | Fisher’s Exact | ||
Response rate reflects the percentage of alarms that received staff attention
“Pre” = before intervention; “Post” = after intervention. Sample sizes (n) refer to the number of monitor-based alarm observations analyzed. *p < 0.05 indicates statistical significance