Discordance Between Textual Reasoning and Visual Interpretation in Large Language Models for Low Back Pain: Cross-Sectional Quantitative Evaluation and Exploratory Multimodal Stress Test

Ziyu Zhang   ^{1, 2 *} , BMed ;   Longhao Chen   ^{1, 2, 3 *} , MD ;   Zhizhen Lv   ^{1, 2, 3 *} , MD ;   Hanzhe Lv   ^{1, 2} , BMed ;   Wei Sheng   ^{1, 2} , BMed ;   Zicheng Wei   ⁴ , MMed ;   Binghao Wang   ^{1, 2} , BMed ;   Ying Shen   ^{1, 2} , BMed ;   Yu Tian   ^{1, 2, 3} , MMed ;   Jingwen Hu   ⁵ , MA ;   Zhifang Shen   ⁶ , BMed ;   Lijiang Lv   ^{1, 2, 3} , Prof Dr

¹ The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

² The Third School of Clinical Medicine (School of Rehabilitation Medicine), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

³ Research Institute of Tuina (Spinal disease), Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

⁴ Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, Zhejiang, China

⁵ Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China

⁶ Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing, Zhejiang, China

*these authors contributed equally