Optical Coherence Tomography in Patients with Chiari I Malformation
Table 3
CMI patients with syringomyelia (Group B) versus healthy subject (Group D) OCT parameters, RE.
Variables
Average (µ)
Average (µ)
value
Standard deviation Group A
Standard deviation Group C
RNFL
112,667 (7,633)
115,500 (19,024)
0.742
Superior quadrant
141,500 (7,503)
125,333 (12,754)
0.023*
Subfield 11
135,000 (28,921)
142,500 (27,406)
0.655
Subfield 12
143,667 (30,716)
128,833 (20,124)
0.346
Subfield 1
146,500 (22,801)
105,167 (8,841)
0.002*
Nasal quadrant
106,333 (28,444)
100,833 (27,140)
0.739
Subfield 2
118,167 (31,600)
104,667 (27,580)
0.449
Subfield 3
90,000 (22,821)
88,500 (26,614)
0.919
Subfield 4
109,667 (31,085)
109,833 (33,891)
0.993
Inferior quadrant
120,667 (14,137)
140,167 (24,975)
0.127
Subfield 5
109,333 (28,338)
138,000 (36,546)
0.160
Subfield 6
124,500 (24,023)
144,333 (38,609)
0.310
Subfield 7
127,667 (18,705)
138,667 (29,371)
0.457
Temporal quadrant
80,000 (28,213)
95,333 (29,351)
0.378
Subfield 8
86,000 (39,115)
92,667 (24,328)
0.730
Subfield 9
68,333 (21,267)
91,833 (44,256)
0.069
Subfield 10
86,167 (27,817)
102,000 (24,380)
0.319
RNFL: retinal nerve fiber layer thickness in . 1–12: three subfields for each quadrant numbered clockwise. Group B: CMI patient’s with syringomyelia. Group D: healthy subjects. *, -test.