Factors influencing final outcome
| Number of patients (%) | |||
|---|---|---|---|
| Variable | Good outcome | Poor outcome | Overall p value |
| Total group | 21/101 | 80/101 | – |
| Age, year | 0.005 | ||
| ≤50 | 13 | 21 | |
| 51–65 | 6 | 30 | |
| >65 | 2 | 29 | |
| Male/female | 16/5 | 42/38 | 0.0573 (NS) |
| Hypertension | 8 (38) | 44 (55) | 0.172 (NS) |
| Coronary artery disease | 1 (5) | 5 (6) | 0.789 (NS) |
| Cardiac arrhythmia | 1 (5) | 8 (10) | 0.464 (NS) |
| Diabetes mellitus | 2 (10) | 5 (7) | 0.6017 (NS) |
| Hyperglycaemia (≥7.8 mmol/L) | 8 (52) | 50 (68) | 0.0458 |
| Hyponatraemia (<130 mmol/L) | 1 (5) | 8 (10) | 0.4406 (NS) |
| Anaemia (haemoglobin <9.0 g/L) | 1 (5) | 1 (1) | 0.3527 (NS) |
| Leucocytosis (WCC >15×109/L) | 5 (24) | 41 (50) | 0.03 |
| Systolic blood pressure (median) | 130–139 | 130–139 | 0.4491 (NS) |
| Diastolic blood pressure (median) | <85 | 85–90 | 0.6057 (NS) |
| Tachycardia (HR >100/min) | 4 (21) | 15 (22) | 0.9882 (NS) |
| Bradycardia (HR <60/min) | 1 (6) | 5 (7) | 0.7908 (NS) |
| Fever (≥38.0°C) | 5 (24) | 22 (29) | 0.6425 (NS) |
| Amount of blood (Fisher scale) | 0.0023 | ||
| I/II | 4 (19) | 2 (2.5) | |
| III | 9 (43) | 22 (27.5) | |
| IV | 8 (38) | 59 (74) | |
| WFNS grade | <0.0001 | ||
| IV | 15 (71) | 11 (14) | |
| V | 6 (29) | 69 (86) | |
Univariate logistic regression.
NS, not significant; WCC, white cell count; WFNS, World Federation of Neurological Surgeons Grading System for Subarachnoid Hemorrhage.