| Gender, male | 204 | (44.1) |
| Age, median (IQR) years | 78 | 72–84 |
| Patient’s insurance |
| 30 Baht healthcare schemea | 226 | (48.8) |
| Social security | 9 | (1.9) |
| Government employee | 163 | (35.2) |
| Self-pay | 65 | (14.0) |
| Mode of arrival |
| Family car | 341 | (73.7) |
| Ambulance | 68 | (14.7) |
| Others | 54 | (11.6) |
| Triage level |
| Urgent | 253 | (54.6) |
| Emergency | 181 | (37.8) |
| Resuscitation | 36 | (7.8) |
| Charlson comorbidity index, median (IQR) | 5 | 4–6 |
| Polypharmacy (≥ 5 medications) | 175 | (37.8) |
| Sepsis fast track | 146 | (31.5) |
| Temperature (°C), n = 451 |
| 36–38 °C | 297 | (65.9) |
| < 36 or > 38 °C | 154 | (34.1) |
| Heart rate (beat/min), n = 462 |
| > 90 /min | 252 | (54.3) |
| ≤ 90/min | 211 | (45.7) |
| Respiratory rate (/min), n = 455 | | |
| > 20/min | 291 | (64.0) |
| ≤ 20/min | 164 | (36.0) |
| Systolic blood pressure (mmHg), n = 462 |
| ≤ 100 | 53 | (11.5) |
| > 100 | 409 | (88.5) |
| Oxygen saturation, n = 406 |
| < 90% | 54 | (13.3) |
| 90–93% | 51 | (12.6) |
| ≥ 94% | 301 | (74.1) |
| Systemic inflammatory response syndrome [SIRS (points)] |
| 0–1 | 169 | (36.5) |
| 2 | 132 | (28.5) |
| 3 | 107 | (23.1) |
| 4 | 55 | (11.9) |
| Quick sequential organ failure assessment [qSOFA (points)] |
| 0–1 | 373 | (80.5) |
| 2 | 75 | (16.2) |
| 3 | 15 | (3.2) |
| Hemoglobin (mg/dl), n = 450 |
| < 7 | 22 | (4.9) |
| Platelet (cells/cm3), n = 449 | | |
| < 100,000 | 28 | (6.2) |
| Creatinine (mg/dl), n = 444 |
| ≥ 2 | 78 | (17.6) |
| Creatinine clearance [CrCl (ml/min)], n = 445 | | |
| > 50 | 254 | (57.1) |
| 10–50 | 173 | (38.9) |
| < 10 | 18 | (4.0) |
| Blood glucose (mg/dl), n = 345 |
| ≥ 180 | 97 | (28.1) |
| Sodium (mmol/dl), n = 441 |
| < 135 | 141 | (32.0) |
| 135–145 | 283 | (64.1) |
| > 145 | 17 | (3.9) |
| Total bilirubin (mg/dl), n = 225 |
| ≥ 2 | 26 | (11.6) |
| International normalized ratio (INR), n = 240 |
| > 1.5 | 25 | (10.4) |
| Lactate (mmol/l), n = 361 |
| ≥ 2 | 220 | (60.9) |
| ≥ 4 | 59 | (16.3) |
