Table 6.
The baseline characteristics of the patients in the training and validation groups were compared.
| Variable | Classification | Training | Validation | P |
|---|---|---|---|---|
| Sex | Male | 497 (80.3%) | 134 (74%) | 0.07 |
| Female | 122 (19.7%) | 47 (26%) | ||
| Miss | 0 | 0 | ||
| Age | 48.47±19.676 | 49.51±18.5 | 0.527 | |
| Miss | 0 | 0 | ||
| Hypertension | Y | 156 (25.2%) | 47 (26%) | 0.835 |
| N | 463 (74.8%) | 134 (74%) | ||
| Miss | 0 | 0 | ||
| Pupil | Unequal | 221 (35.7%) | 73 (40.3%) | 0.256 |
| Equal | 398 (64.3%) | 108 (59.7%) | ||
| Miss | 0 | 0 | ||
| SAH | Y | 392 (63.3%) | 117 (64.6%) | 0.766 |
| N | 226 (36.5%) | 64 (35.4%) | ||
| Miss | 1 | 0 | ||
| Brain herniation | Y | 239 (38.6%) | 71 (39.2%) | 0.881 |
| N | 380 (61.4%) | 110 (60.8%) | ||
| Miss | 0 | 0 | ||
| CI | Y | 34 (5.5%) | 6 (3.3%) | 0.235 |
| N | 584 (94.3%) | 175 (96.7%) | ||
| Miss | 1 | 0 | ||
| WBC | 16.135 (12.015–20.5275) | 16.205 (11.99–20.945) | 0.974 | |
| Miss | 5 | 1 | ||
| NEU | 13.715 (9.8175–18.145) | 13.66 (10.155–18.1025) | 0.93 | |
| Miss | 5 | 1 | ||
| LYM | 1.21 (0.85–1.84) | 1.14 (0.82–1.7975) | 0.451 | |
| Miss | 5 | 1 | ||
| MON | 0.63 (0.38–0.92) | 0.63 (0.4–0.9475) | 0.593 | |
| Miss | 5 | 1 | ||
| MCV | 89.4 (86.4–92.5) | 89.3 (86.6–92.05) | 0.697 | |
| Miss | 5 | 1 | ||
| MCH | 30.3 (29.2–31.6) | 30.4 (29.4–31.375) | 0.741 | |
| Miss | 5 | 1 | ||
| CR | 72 (59.5–90) | 74 (61.25–87) | 0.779 | |
| Miss | 6 | 1 | ||
| GLU | 8.8 (6.98–11.45) | 9.17 (7.125–12.1075) | 0.219 | |
| Miss | 6 | 1 | ||
| TP | 67 (59.9–73) | 66.15 (58.525–73) | 0.494 | |
| Miss | 8 | 3 | ||
| ALB | 40 (36–43.6) | 39.9 (34.825–44) | 0.352 | |
| Miss | 8 | 3 | ||
| GLB | 24.5 (20.8–29.075) | 24.1 (20.375–28.825) | 0.387 | |
| Miss | 255 | 77 | ||
| CK | 367 (174–756) | 348.5 (191.5–803) | 0.682 | |
| Miss | 30 | 11 | ||
| CK-MB | 27 (17–51) | 33.4 (17–59.25) | 0.082 | |
| Miss | 30 | 11 | ||
| K | 3.81 (3.5–4.2) | 3.8 (3.343–4.1) | 0.127 | |
| Miss | 6 | 1 | ||
| Na | 138.8 (136–142) | 139 (136.525–141.1) | 0.697 | |
| Miss | 6 | 1 | ||
| Ca | 2.13 (2.02–2.24) | 2.14 (2.01–2.2375) | 0.916 | |
| Miss | 6 | 1 | ||
| FDP | 86.7 (27.25–152.0425) | 119.8 (26.225–154.425) | 0.596 | |
| Miss | 87 | 27 | ||
| D-Dimer | 24.14 (7.48–35.2) | 25.855 (6.67–35.2) | 0.728 | |
| Miss | 28 | 9 | ||
| PT | 12.1 (11.4–13.2) | 12 (11.4–13.1) | 0.799 | |
| Miss | 25 | 7 | ||
| TT | 18 (16.5–19.9) | 18.15 (16.4–20.125) | 0.584 | |
| Miss | 25 | 7 | ||
| FIB | 2.04 (1.46–2.995) | 1.995 (1.5075–3.095) | 0.944 | |
| Miss | 25 | 7 | ||
| CRP | 12.85 (7.2–47.325) | 18.75 (7.2–62.775) | 0.094 | |
| Miss | 65 | 13 | ||
| Miss | 25 | 7 | ||
| SDH | High (≥14.05) | 387 (62.5%) | 107 (59.1%) | 0.407 |
| Low (<14.05) | 226 (36.5%) | 74 (40.9%) | ||
| Miss | 0 | 0 | ||
| Coagulopathy | Y | 438 (70.8%) | 138 (76.2%) | 0.17 |
| N | 171 (27.6%) | 41 (22.7%) | ||
| Miss | 10 | 2 | ||
| X1 | 1point | 298 (48.1%) | 87 (48.1%) | 0.347 |
| 2 points | 82 (13.2%) | 18 (9.9%) | ||
| 3 points | 140 (22.6%) | 51 (28.2%) | ||
| 4 points | 89 (14.4%) | 23 (12.7%) | ||
| Miss | 10 | 2 |
ALB, albumin; APTT, activated partial thromboplastin time; CI, cerebral ischemic; CK, creatine kinase; CK-MB, creatine kinase isoenzyme; Cr, creatinine; CRP, C-reactive protein; FDP, fibrin degradation products; FIB, Fibrinogen; GLB, globulin; Glu, glucose; INR, International Normalized Ratio; LYM, lymphocyte; MCH, mean corpuscular hemoglobin; MCV, mean corpuscular volume; MON, monocyte; NEU, neutrophile; PT, Prothrombin time; SAH, subarachnoid hemorrhage; SDH, subdural hematoma; TP, total protein; TT, thrombin time; WBC, white blood cell; X1 (1 point), patients with coagulopathy and thick SDH thickness; X1 (2 points), patients with coagulopathy and thin SDH thickness; X1 (3 points), patients without coagulopathy and with thick SDH thickness; X1 (4 points), patients without coagulopathy and with thin SDH thickness; X1, coagulopathy combined with subdural hematoma thickness.
All data were analyzed using the chi-square test, rank-sum test, and Fisher’s precision probability test, and P<0.05 was considered to indicate statistically significant differences.