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Table 2 Patient characteristics by procedure

From: Influence of trends in hospital volume over time on patient outcomes for high-risk surgery

  Patient number Men N (%) Age mean (SD) No. of different Elixhauser comorbiditiesa Mean (SD) Median income, K€ Mean (SD) Emergency admission N (%) Discharge by transfer N (%)
Colectomy 86,102 44,994 (52.3) 71.6 (12.2) 1.8 (1.6) 20.4 (3.3) 13,201 (15.3) 2771 (3.2)
Proctectomy 37,088 22,862 (61.6) 68.5 (11.8) 1.5 (1.5) 20.3 (3.2) 1651 (4.5) 1229 (3.3)
Esophagectomy 2296 1858 (80.9) 62.3 (9.5) 2.4 (1.7) 20.0 (3.0) 93 (4.1) 221 (9.6)
Gastrectomy 9777 5695 (58.2) 68.8 (12.8) 2.0 (1.7) 20.3 (3.2) 929 (9.5) 500 (5.1)
Pancreatectomy 6148 3255 (52.9) 65.0 (11.2) 2.1 (1.7) 20.6 (3.4) 451 (7.3) 316 (5.1)
PCI 280,369 209,058 (74.6) 66.1 (13.1) 1.5 (1.4) 20.3 (3.2) 190,154 (67.8) 33,713 (12.0)
CABG 23,247 19,019 (81.8) 67.2 (10.4) 2.6 (1.8) 20.0 (2.8) 6586 (28.3) 4927 (21.2)
AAA repair 15,935 14,736 (92.5) 74.2 (8.9) 1.8 (1.4) 20.2 (3.3) 0.0 (0.0) 321 (2.0)
Carotid endarterectomy 63,829 45,421 (71.2) 72.2 (9.8) 1.7 (1.4) 20.2 (3.3) 4462 (7.0) 1861 (2.9)
Hip fracture repair 235,137 60,169 (25.6) 81.6 (11.4) 1.4 (1.4) 20.1 (3.1) 235,137 (100.0) 3713 (1.6)
  1. a Elixhauser comorbidities include congestive heart failure, cardiac arrhythmias, valvular disease, pulmonary circulation disorders, peripheral vascular disorders, hypertension uncomplicated/complicated, paralysis, other neurological disorders, chronic pulmonary disease, diabetes uncomplicated/complicated, hypothyroidism, renal failure, liver disease, peptic ulcer disease excluding bleeding, AIDS/HIV, lymphoma, metastatic cancer, solid tumor without metastasis, rheumatoid arthritis/collagen vascular diseases, coagulopathy, obesity, weight loss, fluid and electrolyte disorders, blood loss anemia, deficiency anemia, alcohol abuse, drug abuse, psychoses, depression
  2. PCI percutaneous coronary intervention, CABG coronary artery bypass grafting, AAA abdominal aortic aneurysm