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Table 1 Summary of clinical data of 74 patients

From: Clinical features and outcomes of PComA aneurysms originating from fetal posterior communicating arteries in a single institution

Demographics   No. of cases (%)
Sex Male 18 (24.3%)
Female 56 (75.7%)
Age in years < 60 years 39 (52.7%)
Age ≥ 60 years 35 (47.3%)
Hypertension Yes 46 (62.2%)
No 28 (37.8%)
Hunt-Hess grade 0* 26 (35.1%)
1 25 (33.8%)
2 14 (18.9%)
3 9 (12.2%)
Third cranial nerve palsies Yes 16 (21.6%)
No 58 (78.4%)
fPCA type Partial 29 (39.2%)
Full 45 (60.8%)
fPCA sides Bilateral 31 (41.9%)
Left side 16 (21.6%)
Right side 27 (36.5%)
Aneurysm size Small (diameter < 0.5 cm) 15 (20.3%)
Medium (0.5 cm ≤ diameter < 1.5 cm) 53 (71.6%)
Large (1.5 cm ≤ diameter < 2.5 cm) 5 (6.8%)
Giant (diameter ≥ 2.5 cm) 1 (1.4%)
Aneurysm shape Regular 39 (52.7%)
Irregular 35 (47.3%)
Multiple aneurysms Yes 17 (23.0%)
No 57 (77.0%)
Intraoperative temporary clipping Yes 9 (12.2%)
No 65 (87.8%)
Postoperative radiological infarction Yes 19 (25.7%)
No 55 (74.3%)
Postoperative complications Yes 24 (32.4%)
No 50 (67.6%)
  1. *Hunt-Hess grade 0 refers to unruptured aneurysms