Patient demographics and postoperative complications
| Parameters | Group | P value | |
| Novel group | Traditional group | ||
| No of patients | 145 | 230 | |
| Age (x±s,years) | 44.23±10.45 | 44.59±10.75 | 0.835 |
| Male (n (%)) | 69 (47.59%) | 110 (47.83%) | 0.964 |
| Surgical side (right, n (%)) | 67 (46.21%) | 108 (46.96%) | 0.887 |
| Clinical presentation (n (%)) | 0.511 | ||
| Ischaemic type | 84 (57.93%) | 134 (58.26%) | |
| Haemorrhagic type | 43 (29.66%) | 59 (25.65%) | |
| Asymptomatic type | 18 (12.41%) | 37 (16.09%) | |
| Risk factors (n (%)) | |||
| Hypertension | 62 (42.76%) | 105 (45.65%) | 0.583 |
| Diabetes mellitus | 38 (26.21%) | 54 (23.49%) | 0.550 |
| Hyperlipidaemia | 32 (22.07%) | 55 (23.91%) | 0.680 |
| Smoking | 47 (32.41%) | 66 (28.70%) | 0.445 |
| Suzuki stage (n (%)) | 0.985 | ||
| I | 0 (0%) | 0 (0%) | |
| II | 10 (6.90%) | 18 (7.83%) | |
| III | 65 (44.83%) | 104 (45.22%) | |
| IV | 39 (26.89%) | 61 (26.52%) | |
| V | 31 (21.38%) | 47 (20.43%) | |
| VI | 0 (0%) | 0 (0%) | |
| Postoperative complications (n (%)) | <0.001 | ||
| Cerebral infarction | 2 (1.38%) | 15 (6.52%) | 0.009 |
| Intracranial haemorrhage | 1 (0.69%) | 5 (2.17%) | 0.180 |
| Hyperperfusion syndrome | 23 (15.86%) | 59 (24.35%) | 0.010 |
| Neurological outcome (modified Rankin Scale) | 0.260 | ||
| 0 | 113 (77.93%) | 149 (64.78%) | |
| 1 | 21 (14.48%) | 42 (18.26%) | |
| 2 | 7 (4.83%) | 21 (9.13%) | |
| 3 | 2 (1.38%) | 10 (4.35%) | |
| 4 | 1 (0.69%) | 6 (2.61%) | |
| 5–6 | 1 (0.69%) | 2 (0.87%) | |