The real-world electronic health records (EHR) were derived from the hospitalization of Zhongshan Ophthalmic Center (ZOC) of Sun Yat-sen University from 1998-2020 to investigate the ophthalmology diagnosis and treatment activities.
Study Type
OBSERVATIONAL
Enrollment
560,000
Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity
Guangzhou, Guangdong, China
RECRUITINGThe prevalence of primary diagnosis
calculate the prevalence of the primary diagnosis of inpatient visits
Time frame: baseline
The prevalence of secondary diagnosis
calculate the prevalence of the secondary diagnosis of inpatient visits
Time frame: baseline
Demographics
Demographics of inpatient visits
Time frame: baseline
costs of inpatient visits
costs of inpatient visits
Time frame: baseline
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