Table 1:

Patient characteristicsa

 Total Study Population (143 CSDH; 124 Patients)Period 1: Frontline Femoral Access (48 CSDH; 43 Patients)Period 2: Patient-Tailored Arterial Access (95 CSDH; 81 Patients)P Value
Demographics (patients)
 Mean age (yr)74 [SD, 13]73 [SD, 15]75 [SD, 12].32
 Male sex94 (76)34 (79)60 (74).54
 Anticoagulant medication39 (31)13 (30)26 (32).83
 Antiplatelet medication55 (44)18 (42)37 (46).69
 Coagulopathy4 (3)3 (7)1 (1).09
 Alcohol abuse18 (15)6 (14)12 (15).9
 Past CSDH recurrence25 (20)11 (26)14 (17).28
Clinical presentation (patients)
 GCS  score, <1542 (34)15 (35)27 (33).86
 Neurologic deficit86 (69)29 (67)57(70).88
 Cephalalgia50 (40)15 (35)35 (43).42
Radiologic presentation (CSDHs)
 Maximal thickness (mean) (mm)22 [SD, 7]21 [SD, 8]22 [SD, 7].65
CSDH management (CSDH)
 Unoperated CSDH5 (3)2 (4)3 (3).76
 Combined management (operation and embolization within 7 days)132 (92)42 (88)90 (95).13
 Delayed CSDH embolization (>7 days following the operation)6 (4)4 (8)2 (2).08
Embolization procedures (patients)
 Local anesthesia116 (94)41 (95)75 (93).55
 Conscious sedation or general anesthesia8 (6)2 (5)6 (7).55
  • Note:—GCS indicates Glasgow Coma Scale.

  • a Values are mean [SD] for quantitative variables or numbers and percentages for qualitative variables.