a significant trendP < 0.001
The number of surgeries experienced a significant decrease at the time of the outbreak (MPC: −3.4; 95%CI: −6.4, −0.3; P = 0.032), and showed a significant trend of increasing after the epidemic normalized, with a monthly change percentage of 3.8% (95%CI: 2.2, 5.4; P < 0.001).