Comparison of non-external ventricular drain (EVD) and EVD groups
| Variable* | Non-EVD group (n=248) | EVD group (n=39) | P value |
| Demographics | |||
| Total patients | 248 | 39 | … |
| Male sex | 122 (49.2%) | 27 (69.2%) | 0.020 |
| Age, in years | |||
| Average age (years) | 64.50±14.82 | 57.69±13.88 | 0.007 |
| Age ≥65 years | 113 (49.6%) | 14 (35.90%) | 0.122 |
| Length of hospital stay, in days | |||
| Average (range) | 8.85±9.91 (0–81) | 18.92±15.09 (0–57) | <0.001 |
| ≥7 days | 119 (47.9%) | 27 (69.2%) | 0.014 |
| ICH location | |||
| Basal ganglia versus thalamic | 50 (20.2%) versus 40 (16.1%) | 8 (20.5%) versus 19 (48.7%) | 0.018 |
| Lobar versus thalamic | 158 (63.7%) versus 40 (16.1%) | 12 (30.8%) versus 19 (48.7%) | <0.001 |
| Basal ganglia versus lobar | 50 (20.2%) versus 158 (63.7%) | 8 (20.5%) versus 12 (30.8%) | 0.117 |
| ICH Score | |||
| Score 2 versus 0–1 | 44 (17.7%) versus 153 (61.7%) | 15 (38.5%) versus 5 (12.8%) | <0.001 |
| Score 3 versus 0–1 | 29 (11.7%) versus 153 (61.7%) | 16 (41.0%) versus 5 (12.8%) | <0.001 |
| Score 4 versus 0–1 | 22 (8.9%) versus 153 (61.7%) | 3 (7.7%) versus 5 (12.8%) | 0.080 |
| ICH volume, in mm3 | |||
| Average (range) | 40.29±50.72 (0.5–248) | 36.74±42.33 (3.9–189) | 0.520 |
| ICH volume greater than 30 mm3 | 98 (39.5%) | 16 (41.0%) | 0.862 |
| Presence of IVH | 84 (29.2%) | 39 (100%) | <0.001 |
| Modified Rankin Score at Discharge Score 4–6 | 129 (52.0%) | 35 (89.7%) | <0.001 |
| Withdrawal of care | 41 (16.5%) | 11 (28.2%) | 0.079 |
Bold indicate p values <0.05.
*Categorical data are presented as number (%) and continuous data as the mean.
ICH, intracerebral haemorrhage; IVH, intraventricular haemorrhage.