From: Medical expenditure for strabismus: a hospital-based retrospective survey
Costs | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | P* |
---|---|---|---|---|---|---|---|
−X ± SD | 4111 ± 1049 | 4492 ± 1049 | 4835 ± 1080 | 5884 ± 1467 | 6734 ± 1408 | 7023 ± 1380 |  |
β ± SE | 0 (ref.) | 437.2 ± 68.1 | 762.5 ± 66.2 | 1802.3 ± 68.2 | 2560.3 ± 72.7 | 2846.2 ± 83.1 | 613.2 ± 13.6 |