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Table 3 Patient and surgical characteristics during the corresponding 12-month period for paper records, Initial AIMS records and Modified AIMS records

From: The influence of the type and design of the anesthesia record on ASA physical status scores in surgical patients: paper records vs. electronic anesthesia records

Recording Method

Paper

Initial AIMS

Modified AIMS

Number of Records

17,348

18,429

19,758

Age (years), median (Q25, Q75)

50.0 (28.0–63.0)

50.0 (28.0−62.0)

52.0 (29.0−64.0)

BMI, median (Q25, Q75)

27.5 (22.7−33.5)

27.4 (22.6−33.2)

27.6 (22.6−33.5)

Gender (%)

Female

49.0 %

49.0 %

50.5 %

Major Surgical Specialties

Neurosurgery

12.1 %

11.3 %

12.9 %

Orthopedics

22.5 %

21.1 %

21.1 %

Otolaryngology

11.0 %

11.7 %

10.5 %

General surgery

26.3 %

28.3 %

27.8 %

Case duration (min), median (Q25, Q75)

173 (112−262)

167 (108−255)

167 (109−252)

Emergency Cases (%)

12.6 %

12.9 %

13.7 %