Table 1.
Baseline characteristics
| Characteristics | Non-sepsis patients (n = 44,469) | Sepsis patients (n = 1,548) | p |
|---|---|---|---|
| Age, year, mean (SD) | 58.01 (19.83) | 61.83 (24.93) | < 0.001 |
| Male, n (%) | 20,836 (46.9) | 810 (52.3) | < 0.001 |
| Systolic blood pressure, mmHg, mean (SD) | 121.61 (33.43) | 101.05 (39.53) | < 0.001 |
| Heart rate, bpm, mean (SD) | 76.92 (17.63) | 103.59 (23.65) | < 0.001 |
| Respiratory rate, bpm, mean (SD) | 18.79 (4.34) | 26.29 (8.72) | < 0.001 |
| Peripheral oxygen saturation, %, mean (SD) | 97.18 (16.97) | 92.81 (28.20) | < 0.001 |
| Mental change, n (%) | 288 (0.6) | 753 (48.6) | < 0.001 |
| C-reactive protein, mg/dL, mean (SD) | 13.30 (37.22) | 49.80 (74.46) | < 0.001 |
| Lactate, mmol/L, mean (SD) | 1.87 (1.87) | 4.64 (5.03) | < 0.001 |
| White blood cell count, per µL, mean (SD) | 8180 (4200) | 13,090 (6190) | < 0.001 |
| Total bilirubin, mg/dL, mean (SD) | 0.72 (0.83) | 1.39 (2.58) | < 0.001 |
| Creatinine, mg/dL, mean (SD) | 0.98 (0.97) | 1.47 (1.53) | < 0.001 |
| PR interval, ms, mean (SD) | 169.07 (31.53) | 161.47 (41.24) | < 0.001 |
| QRS duration, ms, mean (SD) | 96.59 (18.91) | 96.96 (23.49) | 0.461 |
| QT interval, ms, mean (SD) | 401.65 (47.90) | 372.11 (63.62) | < 0.001 |
| QTc, ms, mean (SD) | 442.41 (37.66) | 469.16 (43.79) | < 0.001 |
| P-wave axis, degree, mean (SD) | 43.42 (30.85) | 45.50 (38.72) | 0.033 |
| R-wave axis, degree, mean (SD) | 38.40 (46.36) | 47.11 (61.76) | < 0.001 |
| T-wave axis, degree, mean (SD) | 47.42 (53.10) | 66.09 (81.47) | < 0.001 |
SD standard deviation