From:  Relation of sinonasal anatomic variants with the frequency, pain severity and time off work in patients with migraine
 

Analysis of concha bullosa, agger nasi cell, Haller cell, paradox concha according to migraine types

Nasal anatomic variationsMigraine typesP
Episodic migraine
< 15 days (n = 110)
Chronic migraine
≥ 15 days (n = 97)
n (%)n (%)
Right concha bullosaAbsent43 (39.1%)23 (23.7%)a0.026*
Present67 (60.9%)74 (76.3%)
Left concha bullosaAbsent32 (29.1%)23 (23.7%)a0.474
Present78 (70.9%)74 (76.3%)
Right agger nasiAbsent61 (55.5%)44 (45.4%)b0.147
Present49 (44.5%)53 (54.6%)
Left agger nasiAbsent61 (55.5%)34 (35.1%)b0.003**
Present49 (44.5%)63 (64.9%)
Right Haller cellAbsent110 (100%)87 (89.7%)c0.001**
Present0 (0%)10 (10.3%)
Left Haller cellAbsent100 (90.9%)77 (79.4%)a0.031*
Present10 (9.1%)20 (20.6%)
Right paradoxical conchaAbsent110 (100%)97 (100%)-
Present0 (0%)0 (0%)
Left paradoxical conchaAbsent100 (90.9%)87 (89.7%)a0.952
Present10 (9.1%)10 (10.3%)

a Yates continuity correction test; b Pearson Chi-square test; c Fisher’s exact test. **: P < 0.01; *: P < 0.05; -: not applicable