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Table 1 Descriptive statistics of the full sample and on diagnosis based sub-samples

From: Defining hospital markets – an application to the German hospital sector

  Number of patients Number of hospitals Number of hospital systems Share of single hospitals (%) Size of a hospital system (mean) Size of a hospital system (SD)
Total 16,561,426 1,517 910 45.0 1.67 2.25
Standard procedures       
Nonsurgical procedures       
PNEU** 200,618 1,294 759 42.4 1.70 2.11
STROKE** 1) 274,743 1,287 762 42.9 1.69 2.04
BIRTH 604,436 860 579 52.0 1.49 1.56
Surgical procedures       
APP** 68,198 1,108 679 45.8 1.63 1.96
CHOL* 154,667 1,147 687 44.3 1.67 2.08
Orthopaedic surgical procedures       
HAP 138,102 1,016 654 49.5 1.55 1.90
KAP 135,236 935 617 51.3 1.52 1.77
HIP*** 98,084 1,118 680 45.0 1.64 2.05
ENDO 371,422 1,207 728 44.9 1.66 2.16
Complex surgical procedures       
AAA 8,210 386 305 69.9 1.27 1.07
CABG 2) 35,916 76 62 69.7 1.23 0.73
  1. Notes: For diagnoses market with */**/*** more than 25%/50%/75% of all admissions were emergency admissions; 1)13% of all stroke patients were transferred from another hospital; 2)32% of all CABG patients were transferred from another hospital. For all other diagnoses the share of transferred patients was less than 5%. PNEU - pneumonia; APP - appendectomy; CHOL - cholecystectomy; HAP - hip arthroplasty; KAP - knee arthroplasty; HIP - hip fracture; ORTHO - joint category for HAP, KAP and HIP; AAA - intact abdominal aortic aneurysm; CABG - coronary artery bypass surgery.