Yang (2020)
Thrombocytopenia and Its Association with Mortality in Patients with COVID-19
10.1111/JTH.14848
https://onlinelibrary.wiley.com/doi/full/10.1111/jth.14848
Laboratory Findings
Nadir platelet count (Abndormal (100-150) vs. Normal (>=150))
COVID-19 (death)
Relative risk: 3.420 (2.360-4.960) Univariate analysis

China

Retrospective observational study

Medical records

1476

Consecutive patients with confirmed COVID-19 admitted to Wuhan Jinyintan Hospital since late December 2019, who were either discharged or deceased by February 25th, 2020, were included.

The diagnosis of COVID-19 was according to World Health Organization interim guidance and confirmed by RNA detection of SARS-CoV-2. median [IQR] age was 57 [47 - 67] years and 776 (52.6%) patients were men.

Total

28 Day


COVID-19 (death)

238

non-survivors


Laboratory Findings

Nadir platelet count

125 x 109/L as the lower limit of normal range

Normal (>=150)

Abndormal (100-150)


Relative risk

3.420 (2.360-4.960)

No

Yes

No

age, gender


none

Average

No