Ocular Manifestations, Visual Field Pattern, and Visual Field Test Performance in Traumatic Brain Injury and Stroke

Table 3

Visual field test results in traumatic brain injury and stroke patients.

Variable	Traumatic brain injury (n = 55)	Stroke (n = 132)	p value
Visual field defect pattern, no. (%)
Homonymous hemianopsia	8 (14.5)	42 (31.8)	0.015^a
Homonymous quadrantanopia	6 (10.9)	16 (12.1)	0.815^a
Total defect	2 (3.6)	6 (4.5)	1.000^b
Scattered	31 (56.4)	22 (16.7)	<0.001^a
Normal	8 (14.5)	46 (34.8)	0.005^a
Visual field test reliability index
Fixation loss (%)	43.3 ± 34.0 (0.0–100.0)	40.6 ± 29.7 (0.0–100.0)	0.584^c
False positive (%)	4.6 ± 11.9 (0.0–66.7)	6.9 ± 14.8 (0.0–88.9)	0.302^c
False negative (%)	12.8 ± 21.5 (0.0–100.0)	11.2 ± 19.0 (0.0–100.0)	0.622^c
Test duration (sec)	284.5 ± 74.1 (191.0–538.0)	265.3 ± 54.8 (174.0–492.0)	0.086^c
Visual field global index
Mean deviation (dB)	−10.5 ± 7.1 (−29.8–−1.4)	−9.5 ± 6.8 (−28.2–−1.1)	0.508^d
Pattern standard deviation (dB)	4.9 ± 3.3 (1.6–12.8)	6.1 ± 3.9 (1.5–12.8)	0.515^d

Data are mean ± standard deviation (range) unless otherwise indicated. ^aChi-square test. ^bFisher’s exact test. ^cStudent's t-test. ^dMann–Whitney U test. n = 15 for TBI and n = 32 for stroke. Bold indicates P < 0.05.