Retinal nerve fiber layer and ganglion cell layer changes using optical coherence tomography in patients with chronic migraine: a case-control study

Table 2 Comparison of the OCT parameters between patients with MwA and MwoA

OCT parameters	MwA, N = (30 eyes)	MwoA, N = (30 eyes)	P value
OCT parameters	Mean ± SD	Mean ± SD	P value
AVR-RNFL (um)	101.23 + 6.468	106.20 + 7.044	0.006*
SUP-RNFL(μm)	123.37 + 9.205	127.77 + 10.598	0.091
INF-RNFL(μm)	125.80 + 13.045	133.57 + 13.302	0.026*
NAS-RNFL(μm)	78.07 + 6.395	82.47 + 9.769	0.043*
TEMP-RNFL(μm)	76.03 + 7.618	79.33 + 9.286	0.138
AVR-GCL(μm)	97.53 + 5.224	100.37 + 5.176	0.039*
SUP-GCL(μm)	96.93 + 4.899	100.37 + 4.701	0.008*
INF-GCL(μm)	98.27 + 5.723	100.07 + 5.644	0.225

AVR average, GCL ganglion cell layer, INF inferior, MwA migraine with aura, MwoA migraine without aura, NAS nasal, OCT optical coherence tomography, RNFL retinal nerve fiber layer, SUP superior, TEMP temporal
*Significant P value ˂ 0.05