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Table 2 Aneurysm Baseline Characteristics N(%)

From: The safety and outcomes of acutely ruptured intracranial aneurysms with incomplete occlusion after coiling: a case-control study

 

SAC(n = 101)

NSC(n = 98)

P value

Neck size, mean ± SD, mm

3.471 ± 1.845

2.830 ± 1.147

0.009c§

Maximize size, mean ± SD, mm

5.250 ± 2.937

5.770 ± 2.563

0.079c

Dome-to-neck ratio, mean ± SD

1.536 ± 0.462

2.111 ± 0.578

0.001c§

Aneurysms size ≥10, mm

3 (3.0)

9 (9.2)

0.209ab

5 ≤ Aneurysms size < 10, mm

45 (36.2)

48 (48.5)

0.820a

Aneurysms size < 5, mm

46 (45.5)

50 (50.5)

0.769a

Location

 ICA

14 (13.9)

5 (5.1)

0.034a§

 PComA

39 (38.6)

43 (43.9)

0.451a

 ACA

4 (4.0)

4 (4.1)

1.000b

 AComA

34 (33.7)

30 (30.6)

0.645a

 MCA

6 (5.9)

8 (8.2)

0.540a

 PC

4 (4.0)

7 (7.1)

0.326a

Parent artery configuration

 Bifurcation

84 (83.2)

89 (90.8)

0.110a

 Side wall

17 (16.8)

9 (9.2)

 Second rupture

11 (10.9)

12 (12.2)

0.765a

 Intracranial hematoma

6 (5.9)

13 (13.3)

0.079a

Interval between rupture & treatment

 ≤ 72 h

42 (41.6)

26 (26.5)

0.025a§

 3–28 days

59 (58.4)

72 (73.5)

  1. Data are presented as number (%) or mean ± SD unless otherwise indicated
  2. SAC stent-assisted coil embolization, NSC no-stent coil embolization, ACA anterior cerebral artery, AComA anterior communicating artery, ICA internal carotid artery, MCA middle cerebral artery, PC posterior circulation, PComA posterior communicating artery
  3. a Calculated using chi-square test
  4. b Calculated using Fisher’s exact test
  5. c Calculated usingnon-parametric test
  6. § Statistically significant at p ≤ 0.05