China
Retrospective observational study
Medical records
208
Consecutive confirmed patients with COVID-19
Overall, 208 consecutive confirmed patients with COVID-19 presented to two centers were enrolled from January 20 through February 22, 2020, the follow-up period ended in March 18, 2020.
Total
25 Day
COVID-19 (severe/critical)
40
COVID-19 (progression): Severe COVID-19 was defined as at least one of the followings, respiratory rate ? 30 breaths/min, resting oxygen saturation ? 93%, PaO2/FiO2 ? 300 mmHg or requirement of mechanical ventilation. Progression to severe COVID-19 was development of one or more of the above or worsening of lung CT findings during the observation period.
Laboratory Findings
LDH
250-500 U/L
Normal
Abnormal
Hazard ratio
2.500 (1.200-5.200)
No
Yes
D-dimer, comorbidity, older age, higher LDH and lower lymphocyte
Using the CALL score model, clinicians can improve the therapeutic effect and reduce the mortality of COVID-19 with more accurate and reasonable resolutions on medical resources.
Good