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Table I

Distribution of artery localization according to age and gender (Chi square test).

Parameters Artery localization P-value

Absence Intra-osseous Below the membrane On the outer context of the lateral sinus wall
Age group (years) <30 (n = 16) 0 13 (81.3) 3 (18.8) 0 0.446 NS
30–39 (n = 55) 0 44 (80.0) 9 (16.4) 2 (3.6)
40–49 (n = 60) 0 58 (93.3) 1 (1.7) 3 (5.0)
50–59 (n = 201) 2 (1.0) 164 (81.6) 27 (13.4) 8 (4.0)
60–69 (n = 168) 1 (0.6) 144 (85.7) 20 (11.9) 3 (1.8)
Gender Male (n = 270) 3 (1.1) 224 (83.0) 34 (12.6) 9 (3.3) 0.413 NS
Female (n = 230) 0 197 (85.7) 26 (11.3) 7 (3.0)

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