Optical Coherence Tomography in Patients with Chiari I Malformation
Table 1
CMI patients (Group A) versus healthy subject (Group C) OCT parameters, RE.
Variables
Average ()
Average ()
value
Standard deviation Group A
Standard deviation Group C
RNFL
102,750 (7,188)
108,500 (14,180)
0.158
Superior quadrant
130,813 (17,387)
127,688 (17,327)
0.614
Subfield 11
124,375 (20,314)
133,313 (20,959)
0.230
Subfield 12
139,000 (25,451)
129,813 (26,838)
0.328
Subfield 1
129,063 (23,809)
119,875 (26,339)
0.309
Nasal quadrant
94,000 (17,877)
96,500 (23,653)
0.738
Subfield 2
124,375 (20,314)
133,313 (20,959)
0.534
Subfield 3
139,000 (25,451)
129,813 (26,838)
0.759
Subfield 4
129,063 (23,809)
119,875 (26,339)
0.902
Inferior quadrant
115,438 (14,882)
129,688 (17,861)
0.020*
Subfield 5
104,750 (17,935)
110,563 (32,307)
0.115
Subfield 6
80,313 (20,921)
82,500 (19,082)
0.142
Subfield 7
96,625 (21,713)
95,625 (23,872)
0.068
Temporal quadrant
94,000 (17,877)
96,500 (23,653)
0.454
Subfield 8
103,250 (27,560)
118,500 (25,612)
0.262
Subfield 9
121,688 (25,933)
135,750 (26,792)
0.118
Subfield 10
122,000 (16,959)
134,250 (19,608)
0.035*
RNFL: retinal nerve fiber layer thickness in . Group A: patient with CMI. Group C: healthy subjects. 1–12: three subfields for each quadrant numbered clockwise. *, -test.