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Table 5: Follow-up and reintervention rate
Coil Group WEB Group (n = 38) Significance
Coiling (n = 45) Stent-Assisted Coiling (n = 67)
Follow-up-period (mean) (mo) 38.9 ± 26.8 29.9 ± 23.4 22.3 ± 16.7 .024^{^a}
Rate of retreatment (No.) 1 (2.2%) 4 (5.9%) 8 (21.1%) .014^{^b}
Delay of retreatment after procedure (mean) (mo) 12 ± 0.0 9.8 ± 9.6 4.5 ± 1.6 .187^{^a}
mRS (discharge) (mean) 0.3 ± 0.8 0.6 ± 1.4 0.2 ± 0.6 .283^{^a}
Good clinical outcome at discharge (mRS ≤ 2) (No.) 42 (93.3%) 58 (86.6%) 37 (97.4%) .186^{^b}
Death (No.) 0 1 0 1.000^{^b}
Clinical outcome (No.) 
    mRS at last follow-up (No.) 
        0 33 (84.6%) 38 (73.1%) 32 (88,9%) 
        1 3 (7.7%) 2 (3.9%) 2 (5.6%) 
        2 1 (2.6%) 3 (5.8%) 0 (0.0%) .164^{^b}
        3–5 1 (2.6%) 6 (11.5%) 2 (5.6%) 
        6 1 (2.6%) 3 (5.8%) 0 (0.0%) 
Follow-up period (No.) 
    mRS improvement or consistent 34 (87.2%) 40 (77.0%) 33 (91.6%) 
    mRS degradation 5 (12.8%) 12 (23.0%) 3 (8.3%) .109^{^b}
↵a Kruskal-Wallis H test.
↵b Fisher exact test.