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Table 4: Outcome measures
Parameter Solitary Aneurysm Tandem Aneurysms P Value
Length of procedure (median) (range) (min) 69.5 (16–192)^{^a} 76 (19–194)^{^b} .52
PED dimensions (median) (range) (mm) 
    PED length 19 (12–35) 20 (6–30) .42
    PED diameter 4 (2.5–5.5) 4 (3.5–5) .26
Last angiographic follow-up (median) (range) (mo) 12 (1–79)^{^c} 18 (4.8–51)^{^d} .008
Follow-up occlusion rate (No.) 
    Complete (100%) 109 (75.1%)^{^c} 62 (88.6%)^{^d} .06
    Near-complete (90%–99%) 12 (8.3%) 4 (5.7%)
    Partial (<90%) 24 (16.6%) 4 (5.7%)
Retreatment (No.) 
    Endovascular 7 (4.9%) 4 (5.7%) .81
Posttreatment mRS (No.) 
    0–2 169 (98.8%)^{^e} 32 (97%)^{^f} .42
    3–5 2 (1.2%) 1 (3%)
Follow-up mRS (No.) 
    Improved 47 (27.5%)^{^e} 9 (27.3%)^{^f} .33
    No change 112 (65.5) 24 (72.7%)
    Worsened 12 (7%) 0
Neurologic complications (No.) 
    Symptomatic thromboembolic 5 (2.7%) 3 (8.8%) .08
        Permanent 3 (1.6%) 1 (2.9%) .60
    Symptomatic hemorrhagic 2 (1.1%) 1 (2.9%) .39
↵a Data are missing for 32 procedures.
↵b Data are missing for 15 procedures.
↵c Data are missing for 39 aneurysms.
↵d Data are missing for 8 aneurysms.
↵e Data are missing for 13 procedures.
↵f Data are missing for 1 procedure.