Variable Categories OR 95% CI p-value
Age <60 years (Ref) 1
>=60 years 1.93 1.23-3.03 0.004
Shortness of breath Absent (Ref) 1
Present 4.44 2.73-7.22 <0.001
Bilateral chest radiographic findings Absent (Ref) 1
Present 3.13 1.58- 6.17 0.001
Patchy infiltrates Absent (Ref) 1
Present 5.81 2.90-11.6 <0.001
C-Reactive Protein <150 (Ref) 1
>=150 1.77 1.09-2.85 0.019
Lactate dehydrogenase <500(Ref) 1
>=500 1.98 1.25-3.16 0.004
Neutrophil to lymphocyte ratio <5 (Ref) 1
>=5 2.80 1.77-4.42 <0.001
Creatinine* on admission 1.32 1.07-1.61 0.008