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Table 1 Selected characteristics of patients with urgent or emergency non-cardiac surgery, 2017–2021 (categorical predictor variables), N (%)

From: Development and validation of an EHR-based risk prediction model for geriatric patients undergoing urgent and emergency surgery

 

Total

66,262

Patient Sex

Female

35,713 (53.9)

Surgical Service

Gastroenterology

13,983 (21.1)

General Surgery

14,478 (21.8)

Orthopedics

17,046 (25.7)

Head and Neck

655 (1.0)

Interventional Radiology

6,665 (10.1)

Neurosurgery

1,183 (1.8)

Ophthalmology

1,089 (1.6)

Podiatry

3,861 (5.8)

Spine

804 (1.2)

Thoracic

329 (0.5)

Urology

4,538 (6.8)

Vascular

1,631 (2.5)

Surgery Classa

Emergency

45,970 (69.4)

Urgent

20,292 (30.6)

Admission Source

Outpatient

5,180 (7.8)

Emergency Department

10,265 (15.5)

Hospital

50,817 (76.7)

Time from admission to surgery

Within 24 Hours

37,922 (57.2)

Within 48 Hours

15,955 (24.1)

48 + hours

12,385 (18.7)

  1. aSurgery class assigned by the surgeon: urgent (within 48 h) or emergency (within 24 h)