Table 1.

Demographic and clinical characteristics

Clinical characteristics	No.	Summary
Age, years	143	64 (51, 70)
Male patients, No (%)	143	85 (59.4)
Fever on admission, No (%)	143	46 (32.2)
Systolic blood pressure, mmHg	143	128 (115, 141)
Diastolic blood pressure, mmHg	143	80 (71, 88)
Smoking, No (%)	143	9 (6.3)
Any comorbidity, No (%)	143	69 (48.3)
Chronic lung disease, No (%)	143	10 (7.0)
Diabetes, No (%)	143	26 (18.2)
Hypertension, No (%)	143	48 (33.6)
Tumor, No (%)	143	7 (4.9)
Blood urea nitrogen, mg/dL	143	4.9 (3.9, 6.3)
Admission SCr, mg/dL	143	77 (61, 93)
Peak SCr, mg/dL	143	84 (67, 99)
Discharge SCr, mg/dL	106	68 (60, 84)
Admission eGFR, ml/min/1.73 m2	143	88 (71, 100)
Peak eGFR, ml/min/1.73 m2	143	81 (65, 93)
Discharge eGFR, ml/min/1.73 m2	106	93 (82, 103)
Admission proteinuria	120	117 (97.5)
1+	120	99 (82.5)
2 + ~ 3+	120	18 (15.0)
Peak proteinuria	136	130 (95.5)
1+	136	107 (78.6)
2 + ~ 3+	136	23 (16.9)
discharge proteinuria	40	10 (25.0)
1+	40	9 (22.5)
2 + ~ 3+	40	1 (2.5)
Leukocyte count, ×  109/L	143	6.2 (4.6, 8.7)
Lymphocyte count, ×  109/L	143	0.8 (0.6, 1.0)
Platelet count, × 109/L	143	197 (149, 269)
Hemoglobin, g/L	143	129 (121, 139)
D-dimer, mg/L	135	39 (19, 97)
hs-CRP, mg/L	134	84 (34, 134)
Admission to intensive care unit, No (%)	143	7 (0.05)
Mechanical ventilation, No (%)	143	24 (16.8)
Non-invasive, No (%)	143	22 (15.4)
Invasive, No (%)	143	6 (4.2)
ECMO, No (%)	143	3 (2.1)
Hospital length of stay, days	143	27 (21, 35)

Values for categorical variables are given as count (percentage); values for continuous variables are given as median (interquartile range). Blood pressure and laboratory data were at the time of admission. SCr serum creatinine; eGFR estimated glomerular filtration rate; hs-CRP high-sensitivity c-reactive protein; ECMO extracorporeal membrane oxygenation