Variables | Classification | Patients | P | |
---|---|---|---|---|
Training set (%) | Validation set (%) | |||
Total | 767 | 536 | 231 | |
Age | 70 (58–80) | 70 (58–80) | 69 (59–80) | 0.807 |
Weight | 80.07 ± 21.92 | 79.66 ± 21.82 | 81.03 ± 22.13 | 0.430 |
Sex | Male | 281 (52.43) | 121 (52.38) | 0.991 |
Female | 255 (47.57) | 110 (47.62) | ||
Ethnicity | White | 391 (72.95) | 170 (73.59) | 0.084 |
Black | 41 (7.65) | 27 (11.69) | ||
Other | 104 (19.40) | 34 (14.72) | ||
Admission type | Emergency | 494 (92.16) | 218 (94.37) | 0.198 |
Elective | 30 (5.60) | 12 (5.19) | ||
Urgent | 12 (2.24) | 1 (0.43) | ||
Insurance | Medicare | 335 (62.5) | 145 (62.77) | 0.806 |
Private | 155 (28.92) | 61 (26.41) | ||
Medicaid | 31 (5.78) | 16 (6.93) | ||
Government | 10 (1.87) | 6 (2.60) | ||
Self-pay | 5 (0, 93) | 3 (1.30) | ||
Marital status | Married | 272 (50, 75) | 109 (47.19) | 0.292 |
Unmarried | 122 (22.76) | 48 (20.78) | ||
Other | 142 (26.49) | 74 (32.03) | ||
Ventilation | Yes | 254 (47.39) | 118 (51.08) | 0.348 |
No | 282 (52.61) | 113 (48.92) | ||
Explicit sepsis | Yes | 38 (7.09) | 19 (8.23) | 0.582 |
No | 498 (92.91) | 212 (91.77) | ||
Comorbitities | Cardiac arrhythmias | 274 (51.12) | 117 (50.65) | 0.905 |
CHF | 142 (26.49) | 61 (26.41) | 0.728 | |
Hypertension | 347 (64.74) | 163 (70.56) | 0.017 | |
Diabetes- complicated | 24 (4.48) | 12 (5.19) | 0.667 | |
Diabetes- uncomplicated | 149 (26.12) | 62 (26.84) | 0.835 | |
Coagulopathy | 48 (8.96) | 25 (10.82) | 0.309 | |
Metastatic cancer | 21 (3.92) | 6 (2.60) | 0.424 | |
Scoring systems | OASIS | 33 (27–39) | 34 (27–39.5) | 0.394 |
GCS | 14 (11–15) | 14 (11–15) | 0.430 | |
Laboratory events | AG | 15.17 ± 3.40 | 15.32 ± 3.61 | 0.571 |
Bicarbonate | 24.69 ± 3.83 | 24.42 ± 3.73 | 0.360 | |
Chloride | 103.67 ± 5.48 | 103.45 ± 4.92 | 0.614 | |
Total Calcium | 8.73 ± 0.81 | 8.69 ± 0.84 | 0.528 | |
Creatinine | 1.31 ± 1.25 | 1.48 ± 2.94 | 0.264 | |
Glucose | 146.63 ± 68.76 | 144.23 ± 58.18 | 0.642 | |
Potassium | 4.23 ± 0.78 | 4.26 ± 0.85 | 0.630 | |
Sodium | 139.25 ± 4.31 | 138.84 ± 3.79 | 0.216 | |
HB | 12.55 ± 2.32 | 12.78 ± 2.16 | 0.197 | |
WBC | 11.68 ± 10.11 | 11.07 ± 4.99 | 0.382 | |
RBC | 4.18 ± 0.77 | 4.27 ± 0.73 | 0.108 | |
PLT | 247.95 ± 105.34 | 248.67 ± 91.22 | 0.928 | |
PT | 14.82 ± 7.60 | 14.81 ± 7.17 | 0.984 | |
INR | 1.39 ± 1.24 | 1.37 ± 0.97 | 0.835 | |
Vital signs | HR | 81.44 ± 15.76 | 81.52 ± 14.18 | 0.946 |
RR | 19.13 ± 3.83 | 19.00 ± 3.82 | 0.684 | |
DBP | 64.40 ± 11.49 | 65.92 ± 12.51 | 0.102 | |
SBP | 131.29 ± 19.54 | 131.93 ± 19.53 | 0.677 | |
MBP | 84.16 ± 11.84 | 84.93 ± 13.01 | 0.428 | |
SpO2 | 97.60 ± 1.82 | 97.58 ± 1.63 | 0.851 |