Liu (2020)
Analysis of factors associated with disease outcomes in hospitalized patients with 2019 novel coronavirus disease
https://doi.org10.1097/CM9.0000000000000775.
https://www.ncbi.nlm.nih.gov/pubmed/32118640
Patient characteristics
Age (>60 years vs. <=60 years)
COVID-19 (severe/critical)
Odds ratio: 8.550 (1.630-44.860) Adjusted model

China

Retrospective cohort study

Medical records

78

Patients diagnosed with COVID-19 associated pneumonia between December 30, 2019, and January 15, 2020, and hospitalized at one of three tertiary hospitals in Wuhan for over two weeks.

Specific inclusion criteria were: (1) patients with confirmed diagnosis from a positive test result for COVID-19 nucleic acids by real-time fluorescence reverse transcription-polymerase chain reaction (RT-PCR) according to the "Diagnosis and Treatment Protocol for Novel Coronavirus Infection-Induced Pneumonia version 4 (trial)??รข????; (2) patients who had been hospitalized for over two weeks when preparing the manuscript, died while hospitalized, or had recovered and been discharged.

0


COVID-19 (severe/critical)

11

COVID-19 (progression): Progression: common-type changed to severe- or critical-type, or death; severe-type changed to critical-type or death; critical-type progressed to death.


Patient characteristics

Age

<=60 years

>60 years


Odds ratio

8.550 (1.630-44.860)

No

Yes

Yes

All variables from the univariate analysis with a P value <0.1 were entered into a forward-stepwise multivariate logistic regression analysis, including age, smoking, body temperature, severe illness, albumin, creatinine, procalcitonin, C-reactive protein


none

Average

No