Table 2:

Potential markers of symptoms, related conditions, and procedural complications

Diagnosis or Procedure Category	Total n = 2535	Neurosurgical n = 1881	Endovascular n = 654	P^*
Postop neurological complications	6.8	7.4 (140)	4.7 (31)	<.05^†
Cranial nerve palsy (IIIrd, VIth)	6.0	7.0 (132)	2.9 (19)	<.0001
Mechanical ventilation	5.0	5.6 (106)	3.1 (20)	<.01^†
Physical or occupational therapy	5.0	6.0 (113)	2.1 (14)	<.0001
Hemiplegia or hemiparesis	4.3	4.0 (76)	5.2 (34)	.21^†
Occlusion of cerebral artery	3.8	4.2 (79)	2.8 (18)	.10^†
Packed red blood cell transfusion	3.8	4.5 (85)	1.7 (11)	<.01
Other complication/postop infection	3.8	4.5 (85)	1.5 (10)	<.001^†
Endotracheal tube	3.5	3.9 (74)	2.3 (15)	<.05^†
Ventriculostomy	2.9	3.4 (63)	1.7 (11)	<.05^†
Hematoma complication	2.8	2.7 (50)	3.2 (21)	.46
Postop respiratory insufficiency	2.5	2.8 (52)	1.8 (12)	.19^†
Aphasia	2.1	2.2 (42)	1.7 (11)	.70
Hydrocephalus	2.1	1.9 (36)	2.5 (16)	0.41^†
Gastrostomy	2.0	2.3 (44)	1.1 (7)	<.05
Headache	1.6	1.5 (29)	1.7 (11)	.80
Tracheostomy	1.5	1.6 (30)	1.1 (7)	.34
Postop cardiac complications	0.8	0.9 (16)	0.5 (3)	.32
Monocular vision loss	0.5	0.5 (10)	0.5 (3)	.82
Ventriculoperitoneal shunting	0.5	0.5 (9)	0.5 (3)	.95

Note:—Values are presented as % (n).
* Pearson χ ² test used to evaluate differences between neurosurgical and endovascular groups. Significant P values are groups into 4 categories: <.05, <.01, <.001, <.0001.
† Conditions significantly (p <0.0001) more likely to occur in death cases compared with nondeaths