UA | SAH | |||
aOR* (odds treated/untreated) | 95% CI | aOR* (odds treated/untreated) | 95% CI | |
Sex | ||||
Female | 1.35 | (1.32 to 1.39) | 2.09 | (2.03 to 2.15) |
Male | Ref | Ref | ||
Age group | ||||
<50 | 8.54 | (7.68 to 9.50) | 7.03 | (6.58 to 7.52) |
50–59 | 11.15 | (10.04 to 12.38) | 6.74 | (6.30 to 7.21) |
60–69 | 9.77 | (8.81 to 10.85) | 5.00 | (4.67 to 5.35) |
70–79 | 4.50 | (4.05 to 5.00) | 2.78 | (2.60 to 2.98) |
≥80 | Ref | Ref | ||
Insurance | ||||
Self-insured | 1.25 | (1.18 to 1.34) | 1.88 | (1.77 to 2.00) |
Employee-insured | 1.26 | (1.18 to 1.34) | 1.77 | (1.67 to 1.89) |
Medical aid | Ref | Ref | ||
Family income † | ||||
0 | Ref | Ref | ||
1 | 1.17 | (1.10 to 1.26) | 1.79 | (1.67 to 1.91) |
2 | 1.24 | (1.16 to 1.33) | 1.86 | (1.74 to 1.99) |
3 | 1.25 | (1.17 to 1.34) | 1.90 | (1.78 to 2.04) |
4 | 1.30 | (1.21 to 1.38) | 1.75 | (1.64 to 1.87) |
5 | 1.28 | (1.20 to 1.36) | 1.80 | (1.69 to 1.92) |
CCI | ||||
0 | Ref | Ref | ||
1–4 | 1.53 | (1.49 to 1.57) | 1.45 | (1.40 to 1.49) |
≥5 | 1.02 | (0.94 to 1.12) | 1.07 | (0.99 to 1.16) |
Year | ||||
2005 | Ref | Ref | ||
2006 | 1.11 | (0.99 to 1.24) | 1.09 | (1.02 to 1.16) |
2007 | 1.11 | (1.00 to 1.23) | 1.24 | (1.16 to 1.32) |
2008 | 1.12 | (1.01 to 1.24) | 1.34 | (1.26 to 1.43) |
2009 | 1.21 | (1.09 to 1.33) | 1.49 | (1.40 to 1.59) |
2010 | 1.17 | (1.06 to 1.29) | 1.50 | (1.40 to 1.60) |
2011 | 1.25 | (1.13 to 1.37) | 1.63 | (1.56 to 1.74) |
2012 | 1.15 | (1.04 to 1.26) | 1.54 | (1.45 to 1.65) |
2013 | 1.16 | (1.05 to 1.28) | 1.77 | (1.66 to 1.89) |
2014 | 1.20 | (1.09 to 1.32) | 1.91 | (1.79 to 2.04) |
2015 | 1.09 | (0.99 to 1.19) | 1.92 | (1.80 to 2.06) |
Region | ||||
Seoul | Ref | Ref | ||
Busan | 0.95 | (0.90 to 1.00) | 1.22 | (1.15 to 1.29) |
Daegu | 1.11 | (1.04 to 1.18) | 1.47 | (1.37 to 1.58) |
Incheon | 0.77 | (0.72 to 0.83) | 0.94 | (0.88 to 1.01) |
Gwangju | 1.03 | (0.95 to 1.12) | 1.11 | (1.01 to 1.22) |
Daejun | 0.86 | (0.80 to 0.94) | 0.87 | (0.79 to 0.95) |
Ulsan | 1.04 | (0.95 to 1.13) | 1.45 | (1.30 to 1.62) |
Saejong | 0.74 | (0.54 to 1.01) | 0.95 | (0.61 to 1.46) |
Geonggido | 0.96 | (0.92 to 1.01) | 1.09 | (1.04 to 1.14) |
Gangwondo | 0.85 | (0.78 to 0.93) | 0.91 | (0.84 to 0.99) |
Chungcheongbukdo | 0.71 | (0.66 to 0.77) | 1.00 | (0.93 to 1.09) |
Chungcheongnamdo | 0.92 | (0.86 to 1.00) | 1.09 | (1.02 to 1.17) |
Jeollabukdo | 1.04 | (0.97 to 1.11) | 1.06 | (0.98 to 1.14) |
Jeollanamdo | 1.13 | (1.05 to 1.21) | 1.14 | (1.06 to 1.23) |
Gyeongsangbukdo | 0.93 | (0.87 to 0.98) | 1.27 | (1.19 to 1.35) |
Gyeongsangnamdo | 0.89 | (0.84 to 0.94) | 1.13 | (1.06 to 1.20) |
Jejudo | 0.98 | (0.87 to 1.10) | 1.51 | (1.33 to 1.73) |
OR, odds treated (coiling or clipping)/untreated (neither coiling nor clipping).
*adjusted for sex, age group, CCI, year, region.
†Family income: 0 (the beneficiary of medical aid), 1 (1st quintile: the lowest), 2 (2nd quintile), 3 (3rd quintile), 4 (4th quintile), 5 (5th quintile: the highest).
CCI, Charlson Comorbidity Index. UA: unruptured aneurysm, SAH: subarachnoid hemorrhage.