Table 1

Univariable comparison of demographics and radiographic presentation between patients with aneurysmal subarachnoid hemorrhage with and without a history of methamphetamine use

VariableNo MethMethOR95% CIp Value
Clinical vasospasm, n (%)56 (15)7 (23)1.620.66 to 3.930.31
Radiographic vasospasm, n (%)167 (46)17 (55)1.440.69 to 3.010.35
Sex, n (%)
 Male104 (29)13 (42)1.800.85 to 3.800.15
 Female259 (71)18 (58)
Cocaine use15 (4)23 (74)67.2828.86 to 175.03<0.001
Tobacco use229 (63)31 (100)N/A*N/A<0.001
Diabetes29 (8)0 (0)N/A*N/A0.15
Hypertension172 (47)7 (23)0.330.14 to 0.780.01
IVH216 (59)16 (52)0.740.35 to 1.530.45
IPH82 (23)5 (16)0.660.25 to 1.780.50
Fourth ventricular blood101 (28)10 (32)1.240.57 to 2.730.68
  • *ORs could not be computed because of a zero cell count.

  • IPH, intraparenchymal hemorrhage; IVH, intraventricular hemorrhage; N/A, not applicable.