Table 3 Vital sign thresholds summary table
| Â | Vital sign thresholds (delay before alarm in seconds) | Alarm method | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Study | HR/PR | RR | SpO2 | BP | MAP | T | Â | |||
High | Low | High | Low | Low | High SBP | Low DBP | Low | Â | ||
Weller et al. 2018 | HR: 150 (15) PR: 150 (60) | HR: 39 (15) PR: 39 (60) | 35 (120) | 4 (120) | 85 (90) | 200 (240) |  | 58 (60) |  | Sound Central station + nurse phone |
Kisner et al. 2009 | Individualised (immediate) | Â | Â | Pre-set individualised (immediate) | Â | Â | Â | Â | Sound Pager or SMS to doctor and nurse | |
Verrilo et al. 2018 | Pre-set (5) | Pre-set (120) | Pre-set (60) | Pre-set (120) |  |  | Sound Central monitor + nurse mobile | |||
Downey et al. 2018 | Pre-set, individualised if required (immediate) | Pre-set, individualised if required (immediate) | Â | Â | Â | Â | Pre-set, individualised if required (immediate) | Sound Mobile device to nurse | ||
Downey et al. 2020 | Pre-set, individualised if required (immediate) | Pre-set, individualised if required (immediate) | Â | Â | Â | Â | Pre-set, individualised if required (immediate) | Sound Mobile device to nurse | ||
Weenk et al. 2019 & 2020 | Individualised (immediate) | Individualised (immediate) | Individualised (immediate) | Individualised (immediate) | Â | Individualised (immediate) | Sound Nurse station | |||
Skraastad et al. 2020 | As per NEWS score | As per NEWS score | As per NEWS score | As per NEWS score | Â | As per NEWS score | Visual only Warnings at patient bedside | |||
| Â | Score name | Alerting score thresholds | Â | Â | Â | Â | |||
|---|---|---|---|---|---|---|---|---|---|
Vital signs included in score | Range | Threshold | Time to alarm | Â | Â | Â | Â | ||
Watkinson et al. 2020 | VSI | All | 0 to 5 |  > 3.0 for more than 4 out of 5 min | On the fifth minute |  |  |  | Sound Bedside + central station + nurse PDA |