Table 3

Logistic regression analysis for promoting factors of mass effect relief at follow-up

CharacteristicsNon-relief groupRelief groupUnivariableMultivariable
N=62N=156P valueOR (95% CI)P value
Age, years54.1±11.154.3±12.10.9101.008 (0.981 to 1.036)0.544
Female48 (77.4%)114 (73.1%)0.5080.665 (0.294 to 1.506)0.722
Smoking11 (17.7%)40 (25.6%)0.214
Alcohol abuse7 (11.3%)14 (9.0%)0.601
Hypertension23 (37.1%)61 (39.1%)0.784
Diabetes4 (6.5%)5 (3.2%)0.277
Hyperlipidaemia1 (1.61%)5 (3.2%)0.517
Cranial neurological deficit53 (85.5%)125 (80.1%)0.357
Aneurysm size0.995
 <10 mm12 (19.4%)31 (19.9%)RefRefRef
 10–25 mm33 (53.2%)82 (52.6%)0.9300.908 (0.393 to 2.096)0.821
 >25 mm17 (27.4%)43 (27.5%)0.9830.891 (0.349 to 2.274)0.809
Posterior circulation3 (4.8%)20 (12.8%)0.0841.622 (0.339 to 7.76)0.545
Non-saccular form5 (8.1%)29 (18.6%)0.0532.636 (0.702 to 9.896)0.151
Flex PED26 (41.9%)85 (54.5%)0.0941.653 (0.884 to 3.092)0.116
Multiple PEDs used2 (3.2%)8 (5.1%)0.545
PED+coiling34 (54.8%)93 (59.6%)0.5191.980 (0.990 to 3.958)0.053
Device unsuccessful deployment2 (3.2%)2 (1.3%)0.335
Post-PED mass effect deteriorate7 (11.3%)14 (9.0%)0.601
Intraoperative aneurysm occlusion14 (22.6%)16 (10.3%)0.0170.392 (0.170 to 0.907)0.029
  • PED, Pipeline Embolization Device.