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Table 1 Cross tabulation of different rules to categorise elective and emergency in index episodes

From: Outcomes of aortic aneurysm surgery in England: a nationwide cohort study using hospital admissions data from 2002 to 2015

 

Admission Method in episodes

Emergency admission

Elective Admission

No emergency operations or diagnosis codes

10,082 (36.0%)

54,379 (97.2%)

Emergency ICD-10 codes only (Diagnosis code)

16,384 (58.5%)

1052 (1.9%)

Emergency OPCS codes only (Procedure code)

574 (2.1%)

451 (0.8%)

Both ICD and OPCS emergency codes present

958 (3.4%)

88 (0.2%)

Total

27,998 (100%)

55,970 (100%)

  1. (*Including all index episodes of those with AA repairs: 83968 episodes)