Clinical Study

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 AStandard 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 1146,500 (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 5109,333 (28,338)138,000 (36,546)0.160
Subfield 6124,500 (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 886,000 (39,115)92,667 (24,328)0.730
Subfield 968,333 (21,267)91,833 (44,256)0.069
Subfield 1086,167 (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.