Statistical analysis of vital signs included in the NEWS2 score taken before discharge
| Parameter | Stable n=1271 | Deterioration n=122 | |||
| Median | 25th–75th percentile | Median | 25th–75th percentile | Significance (p) | |
| RR | 18.0 | 16.0–20.0 | 18.0 | 17.0–20.0 | <0.01 |
| HR | 82.0 | 72.0–93.0 | 86.0 | 77.0–95.3 | <0.01 |
| SpO2 | 96.0 | 94.0–97.0 | 95.0 | 93.8–96.0 | 0.02 |
| SBP | 127.0 | 113.0–141.0 | 123.5 | 110.0–139.3 | 0.24 |
| Temperature | 36.7 | 36.5–37.0 | 36.7 | 36.5–37.0 | 0.32 |
| AVPU | Alert (88.7%) | Alert (82.8%) | 0.05 | ||
| Supplemental oxygen requirement | 39.8% | 54.9% | 0.01 | ||
Significance tested using Mann-Whitney U and Fisher’s exact test for continuous and binary variables, respectively.
Bold highlights p<0.05 significance.
AVPU, Alert/voice/pain/unresponsive; HR, heart rate; NEWS2, National Early Warning Score 2; RR, respiratory rate; SBP, systolic blood pressure; SpO2, oxygen saturation.