Table 1 Baseline characteristics of the enrolled patients, Tehran, Iran, 2020

Temperature °C (mean ± SD)

37.493 ± 0.77

Respiratory rate (breath/min) (mean ± SD)

20.09 ± 8.9

Pulse rate (beats/min) (mean ± SD)

88.02 ± 14.65

SpO2% (mean ± SD)

91.03 ± 5.67

White blood cell count (10³/mm³) (median, IQR) (Q₁–Q₃)

6.4, 4.2 (4.8–9)

Lymphocyte count (10³/mm³) (median, IQR) (Q₁–Q₃)

1100,743 (786–1529)

Hemoglobin (g/dL) (mean ± SD)

12.75 ± 2.215

Platelet count (10³/mm³) (median, IQR) (Q₁–Q₃)

218.02, 97.84 (178.16–276)

CPK (units/L) (median, IQR) (Q₁–Q₃)

119,125 (65–190)

ESR (mm/h) (median, IQR) (Q₁–Q₃)

72.7, 31.79 (65.21–97)

CRP(mg/L) (median, IQR) (Q₁–Q₃)

73.5,117.25 (30.75–148)

AST (units/L) (median, IQR) (Q₁–Q₃)

34, 21.75 (25.25–47)

ALT (units/L) (median, IQR) (Q₁–Q₃)

30,30 (10.75–49.75)

LDH (units/L) (mean ± SD)

628.58 ± 291.74

Creatinine (mg/dL) (median, IQR) (Q₁–Q₃)

1, 0.4 (0.8–1.2)

Medications

 Hydroxychloroquine

458 (95.6%)

 Lopinavir/ritonavir

74 (15.4%)

 Atazanavir

264 (55.1%)

 Corticosteroids

54 (11.3%)

Duration of symptoms before admission (days) (median, IQR) (Q₁–Q₃)

7, 6 (4–10)

Length of hospital stay (median, IQR) (Q₁–Q₃)

 Ward (days)

4, 4 (4–8)

 ICU (days)

10,7 (5.5–12.5)

Death

21 (4.4%)