Fig. 1: Study design and workflow of the WeChat-based GPT-4 agent. | npj Digital Medicine

Fig. 1: Study design and workflow of the WeChat-based GPT-4 agent.

From: A randomized controlled trial of a WeChat-based artificial intelligence agent for postoperative care in orthopedic patients

Fig. 1: Study design and workflow of the WeChat-based GPT-4 agent.

a Workflow of the AI agent. Step 1: Loading and processing of unstructured text. Step 2: Text embedding and vector similarity search. Step 3: Prompt Template and response from the large language models. b Example patient interaction with the AI agent regarding knee soreness after ACL surgery. c CONSORT Flow Diagram of Participant Recruitment, Randomization, and Follow-Up. A total of 311 patients were assessed for eligibility, with 11 excluded. The remaining 300 were randomized into two groups: 150 in the AI Agent group and 150 in the Doctor group. During follow-up, 10 patients from the AI group and 29 from the Doctor group were lost due to withdrawal, death, or loss of contact.

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