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. 2024 Apr 15;9(1):e001563. doi: 10.1136/bmjophth-2023-001563

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© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Success rates for criteria A, B according to Kaplan-Meier survival analyses. The success rate for criterion A was 83.8% (A) and that for criterion B was 19.2% (B) at 12 months. Comparing the two groups at 12 months, the success rate for criterion A was 89.2% in the first-line group and 68.0% in the second-line group (C), and the success rate for criterion B was 23.0% in the first-line group and 8.0% in the second-line group (D). The success rate was greater in the first-line group compared with the second-line group for both criteria (p=0.011, 0.046, respectively) (C, D).