Table 1.
Demographic and clinical characteristics in comparison of positive delta SI with zero or negative delta SI.
| Variables | Positive delta SI (n = 5,830) | Zero or negative delta SI (n = 5,458) | p-value |
|---|---|---|---|
| Age, year, median (IQR) | 65 (54–76) | 66 (54–77) | 0.984 |
| Male sex, % | 64.0 | 64.6 | 0.467 |
| Comorbidity≥2, % | 51.2 | 46.3 | <0.001 |
| ED LOS, hours, median (IQR) | 12.1 (6.3-18.1) | 11.9 (6.1-17.7) | 0.639 |
| at ED Triage, mean (SD) | |||
| Heart rate | 90 (24.1) | 104 (25.8) | <0.001 |
| SBP | 158 (37.0) | 124 (33.5) | <0.001 |
| DBP | 90 (22.5) | 75 (22.8) | <0.001 |
| SI | 0.60 (0.35) | 0.91 (0.31) | <0.001 |
| at ICU admission, mean (SD) | |||
| Heart rate | 94 (21.5) | 89 (21.5) | <0.001 |
| SBP | 128 (26.6) | 134 (26.9) | <0.001 |
| DBP | 74 (17.6) | 76 (17.1) | <0.001 |
| SI | 0.78 (0.24) | 0.69 (0.25) | <0.001 |
| Severity score, median (IQR) | |||
| SAPS | 39 (29-51) | 37 (28-47) | <0.001 |
| In-hospital outcome | |||
| Mortality, % | 20.3 | 18.9 | 0.032 |
| Mortality in 48 h, % | 6.5 | 5.2 | 0.005 |
| HLOS, d, median (IQR) | 13 (7-23) | 13 (7-23) | 0.277 |
| Comorbidity, % | |||
| Hypertension | 42.1 | 33.7 | <0.001 |
| Diabetes mellitus | 23.0 | 22.4 | 0.449 |
| Heart failure | 13.5 | 14.5 | 0.128 |
| Liver cirrhosis | 6.9 | 9.8 | <0.001 |
| End stage renal disease | 8.2 | 8.0 | 0.629 |
| Malignancy | 11.4 | 14.6 | <0.001 |
| Old stroke | 30.7 | 22.8 | <0.001 |
SI, Shock Index; IQR, Interquartile Range; SD, Standard Deviation; ED LOS, Emergency Department Length Of Stay; SBP, Systolic Blood Pressure; DBP, Diastolic Blood Pressure; SAPS, Simplified Acute Physiology Score; HLOS, Hospital Length Of Stay.