Bedside ultrasonography of optic nerve sheath diameter for detection of raised intracranial pressure in nontraumatic neuro-critically ill patients

Table 3 Hospital course across normal and raised optic nerve sheath diameter groups

		Overall (n = 114)	Normal ONSD (n = 69)	Raised ONSD (n = 45)	P value
Hospital course	SOFA, median [IQR]	5 [3-8]	5 [3-8]	5 [3-8]	0.409
	APACHE II score, median [IQR]	20 [14-26]	21 [14-26]	20 [14-26]	0.569
	Hospital LOS, median [IQR]	17 [7-27.5]	15 [7-28]	18 [8-25]	0.688
	ICU LOS, median [IQR]	10 [5-21]	10 [5-20]	10 [5-21]	0.609
Surgical intervention	Yes	11 (9.7)	2 (18.2)	9 (81.8)	0.0061
	No	102 (90.3)	66 (64.7)	36 (35.3)
Discharged or Death	Discharged	64 (56.6)	41 (64.1)	23 (35.9)	0.335
	Death	49 (43.4)	27 (55.1)	22 (44.9)

¹Denotes statistical significance.

APACHE: Acute physiology and chronic health evaluation; IQR: Inter quartile range; LOS: Length of stay; ONSD: Optic nerve sheath diameter; SOFA: Sequential organ failure assessment.