Table 2.
Baseline and clinical characteristics of patients in the training set.
| Clinical data | CVS+ (n = 27) | CVS− (n = 82) | t/z/χ2 | p-value |
|---|---|---|---|---|
| Man (%) | 12 (44.44) | 47 (57.32) | 1.356 | 0.244 |
| Age | 47.44 ± 6.81 | 51.89 ± 7.98 | −2.576 | 0.011 |
| Hypertension (%) | 18 (66.67) | 36 (43.90) | 4.211 | 0.040 |
| Smoke (%) | 8 (29.63) | 27 (32.93) | 0.101 | 0.750 |
| Subarachnoid hemorrhage times (%) | 4.566 | 0.033 | ||
| <2 | 18 (66.67) | 70 (85.37) | ||
| ≥2 | 9 (33.33) | 12 (14.63) | ||
| Aneurysm size (%) | 4.375 | 0.224 | ||
| ≤5 mm | 17 (62.96) | 44 (53.66) | ||
| 5–15 mm | 7 (25.93) | 31 (37.80) | ||
| 15–20 mm | 1 (3.70) | 6 (7.32) | ||
| ≥20 mm | 2 (7.41) | 1 (1.22) | ||
| Aneurysm location (%) | 6.794 | 0.009 | ||
| Anterior circulation aneurysm | 19 (70.37) | 34 (41.46) | ||
| Other | 8 (29.63) | 48 (58.54) | ||
| Modified Fisher grade (%) | 12.377 | 0.006 | ||
| I | 5 (18.52) | 31 (37.80) | ||
| II | 10 (37.04) | 40 (48.78) | ||
| III | 9 (33.33) | 9 (10.98) | ||
| IV | 3 (11.11) | 2 (2.44) | ||
| Hunt-Hess grade (%) | 11.101 | 0.011 | ||
| I | 4 (14.81) | 14 (17.07) | ||
| II | 14 (51.85) | 61 (74.39) | ||
| III | 7 (25.93) | 4 (4.88) | ||
| IV | 2 (7.41) | 3 (3.66) | ||
| Ca+ (mmol/L) | 2.42 (2.31, 2.72) | 2.51 (2.31, 2.71) | −0.330 | 0.741 |
| Hcy (μmol/L) | 22.18 ± 9.15 | 16.63 ± 7.08 | 3.239 | 0.002 |
| PLT (109/L) | 229.70 ± 56.27 | 203.07 ± 54.56 | 2.162 | 0.033 |
| RBC (1012/L) | 4.97 ± 0.58 | 5.00 ± 0.50 | −0.264 | 0.793 |
| Hb (g/L) | 144.85 ± 12.05 | 143.96 ± 15.40 | 0.271 | 0.787 |
| HCT (%) | 45.2 (42.3, 46.7) | 45.0 (42.0, 47.8) | −0.337 | 0.736 |
| WBC (109/L) | 11.3 (8.3, 14.5) | 8.2 (6.2, 12.4) | −2.310 | 0.021 |
| Glucose/potassium ratio | 1.65 (1.46, 1.81) | 1.29 (1.23, 1.36) | −3.327 | 0.001 |
Hcy, homocysteine; PLT, platelet; RBC, red blood cell; Hg, hemoglobin; HCT, hematocrit; WBC, white blood cell.