Table 3 Site, surgeon, surgical and acute care characteristics.

From: Compliance with Australian Orthopaedic Association guidelines does not reduce the risk of venous thromboembolism after total hip and knee arthroplasty

Site & Surgeon

Description

Results N (%) or median (IQR)

Sites

Public

10 (54%)

Private

9 (46%)

Surgeons

 

60 (30, 101)

Participants

Per surgeon

60 (30.0, 101.0)

Per site

102.1 (49.3, 132.8)

Length of stay (days)

 

5 (4.0, 7.0)

Surgical and acute care

 Joint (all surgeries)

Hip

807 (43.9%)

Knee

1031 (56.1%)

 Bilateral THA/TKA

Hip

10 (0.5%)

Knee

80 (4.4%)

 Surgical duration (hours)

(N = 1837)

1.62 (1.2, 2.0)

 Processes of care

Neuraxial anaesthesia (N = 1836)

1151 (62.7%)

Routine doppler (N = 1810)

343 (19.0%)

Cement fixation (N = 1837)

1172 (63.8%)

Intra-articular drain (N = 1831)

801 (43.7%)

Tourniquet (TKA) (N = 1032)

885 (48.2%)

Blood transfusion (N = 1831)

316 (17.3%)

Indwelling catheter

1433 (78.1%)

VTE Prophylaxis

 Mechanical

Calf compressors (N = 1810)

1410 (76.8%)

Foot pumps (N = 1810)

277 (15.0%)

Graduated compression stockings (GCS) (N = 1835)

1399 (76.2%)

Used any SCD/GCS (N = 1835)

1837 (98.6%)

Duration (days)

SCD and GCS (N = 1835)

27 (15.0,38.0)

Foot pumps only (N = 277)

4 (3.0, 5.0)

Calf compressors only (N = 1410)

3 (2.0, 4.0)

First mobilised day 0 or 1

 

1376 (75.0%)

Chemical

 Number of drugs

0

7 (0.4%)

1

1093 (59.5%)

2

678 (36.9%)

3

57 (3.1%)

4

2 (0.1%)

Duration of chemoprophylaxis

22 (12,36) any duration

30.5 (13,48)

Preoperative use N (%)

LMWH

 

1439 (78.3%)

 Enoxaparin sodium

13 (0.7%)

1047 (57.0%)

 Fragmin

0

392 (21.3%)

 Aspirin (N = 1836)

458 (24.9%)

868 (47.3%)

  First dose 100–300 mg

Not reported

847 (46.1%)

 Rivaroxaban

13 (0.7%)

160 (8.7%)

 Dabigatran etexilate

9 (0.5%)

11 (.6%)

 Apixaban

2 (0.1%)

10 (0.5%)

 Warfarin

66 (3.6%)

77 (4.2%)

 Unfractionated heparin

4 (0.2%)

73 (4.0%)

 Fondaparinux

0

0