Evaluation of macular and peripapillary structure and microvasculature with optical coherence tomography angiography in migraine in the Indian population

Table 1 Demographic parameters of participants, n (%)

Group	Mean age in years	Male	Female	Mean refraction (spherical)	Mean refraction (cylinder)	Mean intraocular pressure
Migraine with aura (n = 16)	28.18 ± 7.23	6 (37.5)	10 (62.5)	0.71 ± 0.67	0.31 ± 0.36	15.25 ± 2.87
Migraine without aura (n = 18)	28.94 ± 5.95	8 (44.44)	10 (55.55)	0.47 ± 0.48	0.20 ± 0.24	15.18 ± 2.58
Healthy controls (n = 16)	27.875 ± 6.97	7 (43.75)	9 (56.25)	0.27 ± 0.36	0.18 ± 0.26	15.82 ± 2.88

"Male" and "female" show the count and percentage of participants in each sex category for each group.

Table 2 Average ± standard deviation values of optical coherence tomography angiography parameters

Optical coherence tomography angiography parameters	Migraine with aura	Migraine without aura	Healthy controls
Foveal flux	4.16 ± 1.47	6.21 ± 3.10	6.18 ± 2.12
Foveal avascular zone	0.34 ± 0.12	0.29 ± 0.14	0.20 ± 0.07
Superior peripapillary flux	18.57 ± 4.70	19.03 ± 0.93	18.69 ± 3.46
Inferior peripapillary flux	18.22 ± 1.84	18.49 ± 1.12	18.65 ± 1.25
Nasal peripapillary flux	17.88 ± 1.69	17.14 ± 3.96	17.76 ± 2.08
Temporal peripapillary flux	17.55 ± 1.81	22.51 ± 1.83	18.71 ± 1.42

Table 3 Optical coherence tomography parameters of migraine with aura, migraine without aura, and healthy controls

Optical coherence tomography parameters	Migraine with aura	Migraine without aura	Healthy controls
Macular GCL thickness	9.46 ± 2.25	9.25 ± 2.27	10.15 ± 3.44
Superior GCL	29.43 ± 3.76	28.58 ± 3.78	30.68 ± 3.16
Inferior GCL	29.40 ± 4.22	29.30 ± 4.02	29.06 ± 3.59
Nasal GCL	29.43 ± 4.01	28.11 ± 3.59	28.75 ± 3.75
Temporal GCL	29.43 ± 4.01	27.38 ± 3.76	30.59 ± 3.44

GCL: Ganglion cell layer.