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. 2022 May 12;25(4):654–659. doi: 10.4103/aian.aian_948_21

Table 2.

Laterality of cranial autonomic symptoms in migraine patients

Unilateral (U/L) B/L@

U/L** U/L*** I/L$
CAS* 3 1 15 129
Conjuctival injection 3 4 (3R,1L) B/L 11 51
Lacrimation 1 1 (1L) B/L 12 77
Nasal congestion 1 0 3 14
Rhinorrhea 0 0 1 9
Eyelid edema 2 0 06 60
Facial sweating 1 0 07 42
Facial flushing 0 1 (1L) R 05 29
Aural fullness 2 4 (2R,2L) B/L 13 36
Ptosis 2 1 (1L) V 1 4

*CAS – Cranial Autonomic Symptoms, R- right, L-left, V- vertex **U/L - strictly Unilateral ***U/L; headache side – CAS were present on one side but headache location was bilateral or on opposite side $ I/L – Ipsilateral CAS (CAS were unilateral and on the side of headache but the headache side was changing) @ B/L - Bilateral CAS