From: The distribution characteristics of strabismus surgery types in a tertiary hospital in the Central Plains region during the COVID-19 epidemic
Year
Basic type
Insufficient convergence type
Over-convergence type
2020
129a(28%)
324a(70%)
7a(2%)
2021
117a(27%)
309a,b(72%)
4a(1%)
2022
76a(21%)
289b(79%)
0a(0%)
χ2
6.390
8.846
5.446
P
0.041
0.012
0.062