Table 4 Multivariable linear regression analysis for emergency department stay length
Adjusted coefficient | 95% confidence interval | P value | ||
|---|---|---|---|---|
KTAS level | ||||
KTAS 1 | Reference | |||
KTAS 2 | 1.79 | 0.97 | 2.61 | < 0.001 |
KTAS 3 | 1.88 | 1.03 | 2.73 | < 0.001 |
KTAS 4 | 1.47 | 0.55 | 2.38 | 0.002 |
KTAS 5 | -0.49 | -1.87 | 0.89 | 0.488 |
Visit route | ||||
Direct visit | Reference | |||
Via outpatient clinic | -0.27 | -0.57 | 0.03 | 0.075 |
Via outside hospital | 0.17 | -0.07 | 0.41 | 0.169 |
Others | -2.30 | -8.91 | 4.30 | 0.494 |
Type of visit (medical) | 2.19 | 1.72 | 2.66 | < 0.001 |
Systolic blood pressure | ||||
90–120 mmHg | Reference | |||
< 90 mmHg | 1.47 | 0.66 | 2.28 | < 0.001 |
> 120 mmHg | -0.48 | -0.72 | -0.24 | < 0.001 |
Heart rate | ||||
50–100 beats per min | Reference | |||
< 50 beats per min | -0.25 | -0.77 | 0.28 | 0.356 |
> 100 beats per min | 0.77 | 0.54 | 1.01 | < 0.001 |
Respiratory rate, by 1 breath per min increment | 0.06 | 0.03 | 0.09 | < 0.001 |
Body temperature | ||||
36–38 °C | Reference | |||
< 36 °C | -0.73 | -1.34 | -0.12 | 0.019 |
> 38 °C | 0.79 | 0.44 | 1.15 | < 0.001 |
SpO2, by 1% increment | -0.02 | -0.05 | 0.02 | 0.319 |
Patient response | ||||
Alert | Reference | |||
Response to verbal stimulus | 1.37 | 0.92 | 1.83 | < 0.001 |
Response to pain | 1.57 | 0.61 | 2.53 | 0.001 |
Unresponsive | -0.60 | -2.55 | 1.35 | 0.548 |
Year | ||||
2017 | Reference | |||
2018 | -0.88 | -1.13 | -0.64 | < 0.001 |
2019 | -1.90 | -2.15 | -1.66 | < 0.001 |
Group | ||||
ESSW-EM | Reference | |||
ESSW-Other | 1.08 | 0.70 | 1.46 | < 0.001 |
GW | 3.35 | 3.12 | 3.57 | < 0.001 |