Intervention to Improve Compliance With National Guidelines on Venous Thromboembolism Chemoprophylaxis for Patients With Operatively Managed Ankle Fractures

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Figure.
The relationship between operation note documentation and venous thromboembolism (VTE) chemoprophylaxis prescription on discharge during data collection cycle 1. Asterisks denote statistically significant differences.

Table.

Analysis of Primary and Secondary Outcomes by Data Collection Cycle

Outcome	Data Collection Cycle 1, n=137	Data Collection Cycle 2, n=49	P Value
Operation note documentation
Full documentation: agent and duration specified	40 (29)	44 (90)	<0.001
Nonspecific: some mention of VTE chemoprophylaxis but duration and agent together not specified	40 (29)	3 (6)	<0.001
No documentation: no agent or duration specified	57 (42)	2 (4)	<0.001
Discharged with VTE chemoprophylaxis prescription	78 (57)	48 (98)	<0.001

Notes: Data are presented n (%). Data collection cycle 1 was September 2017 to August 2018. Data collection cycle 2 was June 2020 to November 2020. P values are calculated using Fisher exact test.
VTE, venous thromboembolism.