Table 1.
Patinets baseline characteristics in training and validation cohorts.
| Characteristics |
Training cohort (n = 303) |
Validation cohort (n = 101) |
P-value |
|---|---|---|---|
| Demographics | |||
| Age (years) | 57 (51, 64) | 57 (51, 63) | 0.903 |
| Gender (Female) | 179 (59) | 68 (67) | 0.175 |
| Medical history | |||
| Hypertension | 142 (47) | 50 (50) | 0.73 |
| Diabetes | 9 (3) | 3 (3) | 1.000 |
| CHD | 12 (4) | 2 (2) | 0.532 |
| Smoking | 54 (18) | 17 (17) | 0.94 |
| Drinking | 37 (12) | 13 (13) | 1.000 |
| Anticoagulant | 11 (4) | 3 (3) | 1.000 |
| Disease history | 0.886 | ||
| ICH | 3 (1) | 0 (0) | |
| CI | 6 (2) | 1 (1) | |
| WFNS grade | 0.163 | ||
| I–II | 227 (75) | 68 (67) | |
| III | 37 (12) | 13 (13) | |
| IV | 22 (7) | 12 (12) | |
| V | 17 (6) | 8 (8) | |
| Hunt and Hess grade | 0.327 | ||
| I–II | 211 (70) | 59 (58) | |
| III | 59 (19) | 27 (27) | |
| IV | 18 (6) | 9 (9) | |
| V | 15 (5) | 6 (6) | |
| Modified Fisher scale | 0.037 | ||
| 1–2 | 157 (52) | 36 (35) | |
| 3 | 76 (25) | 37 (37) | |
| 4 | 70 (23) | 28 (28) | |
| Aneurysm location | 0.694 | ||
| ACA | 273 (90) | 93 (92) | |
| PCA | 30 (10) | 8 (8) | |
| Aneurysm number | 0.428 | ||
| Single | 269 (89) | 86 (85) | |
| Multiple (≥2) | 34 (11) | 15 (15) | |
| Mean aneurysm size | |||
| Neck (mm) | 3.2 (2.4, 3.75) | 3.5 (2.5, 4.3) | 0.068 |
| Length (mm) | 4.4 (3.15, 5.5) | 4.9 (3.5, 6.7) | 0.017 |
| Aneurysm treatment | 0.015 | ||
| Clipping | 154 (51) | 66 (65) | |
| Coiling | 149 (49) | 35 (35) | |
| Decompressive craniectomy | 16 (5) | 11 (11) | 0.084 |
| Admission laboratory results | |||
| Glucose (mmol/L) | 6.96 (5.94, 8.17) | 6.8 (5.61, 8.06) | 0.396 |
| D-dimer (mg/L) | 1.17 (0.58, 2.5) | 1.36 (0.82, 2.5) | 0.288 |
| WBC (10∧9/L) | 11.23 (9.27, 13.99) |
11.21 (8.98, 14.4) |
0.646 |
| Neutrophil (10∧9/L) | 9.57 (7.56, 12.28) | 9.9 (7.27, 12.8) | 0.887 |
| Lymphocyte (10∧9/L) | 0.9 (0.68, 1.25) | 0.92 (0.65, 1.27) | 0.842 |
| Monocytes (10∧9/L) | 0.5 (0.34, 0.7) | 0.5 (0.33, 0.7) | 0.655 |
| Admission CT value (HU) | |||
| ClotCT | 57 (52, 62.02) | 58 (54, 63) | 0.17 |
| EdemaCT | 26.82 (24.2, 28.98) |
26.88 (25.07, 29) |
0.36 |
| DCI | 85 (28) | 27 (27) | 0.898 |
DCI, indicates delayed cerebral ischemia; ACA, aneurysm includes anterior cerebral artery, middle cerebral artery, internal cerebral artery, anterior communicating artery; posterior communicating artery; PCA, aneurysm includes posterior cerebral artery, basilar artery, anterior inferior cerebellar artery, posterior inferior cerebellar artery, vertebral artery; ACA, anterior circulation aneurysm; PCA, posterior circulation aneurysm; WBC, White blood cell; CT, computer tomography; HU, Hounsfield Unit; WFNS, World Federation of Neurosurgical Surgeons; ICH, Intracerebral hemorrhage; CI, cerebral infarction; CHD, Coronary heart disease.