Table 1. Odds ratio for severe surgical adverse events as registered in the National Patient Register, within 30 days of groin hernia surgery, 2003-2011

Variable / Odds ratio / p-value / (95%CI) / Interaction term gender / p-value / 95%CI
Age (years)
15-59 / 1.0 (Reference)
60 / 1.2 / 0.199 / 0.9-1.6 / 3.0 / 0.016 / 1.2-7.5
Gender
Men / 1.0 (Reference)
Women / 1.317 / 0.184 / 0.9-2.0
ASA-score
1-2 / 1(Reference)
3-5 / 2.6 / <0.001 / 1.9-3.6 / 1.8 / 0.120 / 0.9-3.6
Unilateral / 1(Reference)
Bilateral / 1.8 / 0.040 / 1.0-3.2 / 1.1 / 0.914 / 0.2-4.9
Anatomy
Inguinal / 1(Reference)
Femoral / 1.1 / 0.842 / 0.6-1.8 / 0.6 / 0.217 / 0.2-1.4
No Sliding hernia / 1(Reference)
Sliding hernia / 2.1 / 0.000 / 1.5-2.8 / 1.0 / 0.994 / 0.3-2.9
Primary / 1(Reference)
Recurrent / 1.8 / 0.003 / 1.2-2.7 / 1.8 / 0.217 / 0.7-4.8
Mode of admission
Elective / 1(Reference)
Emergency / 2.2 / <0.001 / 1.5-3.1 / 1.2 / 0.639 / 0.6-2.4
Method of op
Open anterior mesh / 1(Reference)
Laparoscopy / 0.9 / 0.757 / 0.5-1.7 / 0.6 / 0.532 / 0.1-2.9
Open posterior / 2.5 / 0.001 / 1.5-4.3 / 0.9 / 0.848 / 0.3-2.6
Sutured repair / 2.1 / 0.000 / 1.4-3.0 / 0.8 / 0.591 / 0.4-1.8
Anesthesia
Local / 1(Reference)
Regional / 1.2 / 0.502 / 0.8-1.8 / 5.7 / 0.115 / 0.7-4.9
General / 1.1 / 0.623 / 0.8-1.6 / 7.2 / 0.055 / 1.0-53.9

Table 2. Odds ratio for cardiovascular complication as registered in the National Patient Register, within 30 days of groin hernia surgery, 2003-2011

Variable / Odds ratio / p-value / (95%CI) / Interaction term variable vs gender / p-value / 95%CI
Age (years)
15-59 / 1(Reference)
60 / 4.8 / <0.001 / 3.5-6.6 / 6.7 / 0.061 / 0.9-49.6
Gender
Men / 1(Reference)
Women / 0.7 / 0.038 / 0.5-0.982
ASA-score
1-2 / 1(Reference)
3-5 / 4.5 / <0.001 / 3.7-5.4 / 1.1 / 0.748 / 0.6-1.9
Unilateral / (Reference)
Bilateral / 1.2 / 0.363 / 0.8-2.0 / 0.9 / 0.921 / 0.2-4.0
Anatomy
Inguinal / 1(Reference)
Femoral / 1.4 / 0.106 / 0.9-2.0 / 2.3 / 0.031 / 1.1-4.8
No Sliding hernia / 1(Reference)
Sliding hernia / 1.3 / 0.050 / 1.0-1.6 / 1.0 / 1.000 / 0.4-2.6
Primary / 1(Reference)
Recurrent / 1.0 / 0.868 / 0.7-1.3 / 1.2 / 0.719 / 0.4-3.5
Mode of admission
Elective / 1(Reference)
Emergency / 3.1 / <0.001 / 2.5-3.9 / 1.6 / 0.096 / 0.9-2.8
Method of op
Open anterior mesh / 1(Reference)
Laparoscopy / 1.0 / 0.860 / 0.6-1.7 / 1.3 / 0.703 / 0.4-4.6
Open posterior / 1.4 / 0.112 / 0.9-2.3 / 2.5 / 0.043 / 1.0-6.2
Sutured repair / 1.7 / <0.001 / 1.3-2.3 / 2.1 / 0.020 / 1.1-4.0
Anesthesia
Local / 1(Reference)
Regional / 1.3 / 0.038 / 1.0-1.8 / 0.7 / 0.564 / 0.2-2.4
General / 0.9 / 0.860 / 0.8-1.3 / 2.7 / 0.041 / 1.0-6.9

Table 3. Odds ratio for perioperative complications as registered in the Swedish Hernia Register, 2003-2011

Variable / Odds ratio / p-value / (95%CI) / Interaction term variable vs gender / p-value / 95%CI
Age (years)
15-59 / 1(Reference)
60 / 1.3 / 0.002 / 1.1-1.6 / 1.8 / 0.048 / 1.0-3.2
Gender
Men / 1(Reference)
Women / 0.6 / 0.007 / 0.5-0.9
ASA-score
1-2 / 1(Reference)
3-5 / 1.6 / <0.001 / 1.3-2.0 / 2.1 / 0.017 / 1.1-3.8
Unilateral / 1(Reference)
Bilateral / 1.8 / <0.001 / 1.3-2.5 / 1.5 / 0.387 / 0.6-3.6
Anatomy
Inguinal / 1(Reference)
Femoral / 1.5 / 0.033 / 1.0-2.2 / 1.0 / 0.914 / 0.4-1.9
No Sliding hernia / 1(Reference)
Sliding hernia / 1.9 / <0.001 / 1.5-2.3 / 1.5 / 0.278 / 0.7-3.3
Primary / 1(Reference)
Recurrent / 1.2 / 0.291 / 0.9-1.5 / 2.0 / 0.162 / 0.8-5.1
Mode of admission
Elective / 1(Reference)
Emergency / 2.5 / <0.001 / 2.0-3.2 / 1.6 / 0.086 / 0.9-2.7
Method of op
Open anterior mesh / 1(Reference)
Laparoscopy / 1.6 / 0.006 / 1.1-2.1 / 0.5 / 0.210 / 0.2-1.4
Open posterior / 1.5 / 0.087 / 0.9-2.3 / 0.9 / 0.773 / 0.3-2.3
Sutured repair / 1.7 / <0.001 / 1.3-2.2 / 1.1 / 0.690 / 0.6-2.0
Anesthesia
Local / 1(Reference)
Regional / 1.1 / 0.696 / 0.8-1.4 / 0.9 / 0.912 / 0.3-3.0
General / 1.3 / 0.035 / 1.0-1.6 / 1.4 / 0.451 / 0.6-3.3