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