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Table 1: 
Univariable analysis of cephaloceles and SSDD
Cephalocele Only (n = 35)Cephalocele and SSDD (n = 21)Total (n = 56)P Value
Age (yr).71
 Mean (SD)51.5 (13.6)49.7 (11.9)50.8 (12.9)
 Range27–7927–6727–79
Sex.019
 Female24 (68.6%)20 (95.2%)44 (78.6%)
 Male11 (31.4%)1 (4.8%)12 (21.4%)
Symptoms.235
 Bilateral hearing loss0 (0.0%)1 (4.8%)1 (1.8%)
 CSF leak15 (42.9%)9 (42.9%)24 (42.9%)
 Incidental17 (48.6%)5 (23.8%)22 (39.3%)
 Headache secondary to IIH1 (2.9%)1 (4.8%)2 (3.6%)
 Meningitis1 (2.9%)3 (14.3%)4 (7.1%)
 Meningitis with CSF leak1 (2.9%)1 (4.8%)2 (3.6%)
 Otorrhea0 (0.0%)1 (4.8%)1 (1.8%)
Content of cephalocele.672
 Brain and meninges13 (37.1%)9 (42.9%)22 (39.3%)
 Meninges22 (62.9%)12 (57.1%)34 (60.7%)
Location.866
 Anterior skull base21 (60.0%)12 (57.1%)33 (58.9%)
 Skull base foramina2 (5.7%)2 (9.5%)4 (7.1%)
 Temporal bone12 (34.3%)7 (33.3%)19 (33.9%)
Volume of cephalocele (mm³).015
 Mean (SD)3828 (3559)1562 (1511)2979 (3144)
 Median (minimum-maximum)40–12,61730–487230–12,617
Cephalocele repaired?.141
 No17 (48.6%)6 (28.6%)23 (41.1%)
 Yes18 (51.4%)15 (71.4%)33 (58.9%)