Impact of COVID-19 on Timing of Hip-Fracture Surgeries: An Interrupted Time-Series Analysis of the Pre/Post-Quarantine Period in Northern Italy.

In the second week of March 2020, there was a borderline significant decrease in weekly hospital admissions for hip fractures as compared with that of the same week of March 2019 (–1.95 per 100 000, 95% CI = –4.10 to 0.21, P value =.075), followed by a weekly significant increase in the hospitalization rate (+0.14 per 100 000, 95% CI = 0.01 to 0.27, P value =.039), although the difference-in-differences of slopes failed to achieve statistical significance (0.19 per 100 000, 95% CI = –0.03 to 0.41, P value =.090).

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