Research Article

Acute Kidney Injury in Hospitalized Patients Infected with COVID-19 from Wuhan, China: A Retrospective Study

Table 2

Laboratory tests of patients infected with SARS-CoV-2 ().

Laboratory testsPatients with AKIPatients without AKI value

Leucocytes (×109 per L; normal range 3.5–9.5)Mean9.32 (4.85-16.31)5.03 (3.93-6.28)<0.001
Normal14 (38.89%)352 (77.19%)
Increased17 (47.22%)27 (5.92%)
Decreased5 (13.89%)77 (16.89%)

Lymphocytes (×109 per L; normal range 1.1–3.2)Mean0.59 (0.36-1.23)1.11 (0.8-1.48)<0.001
Normal8 (22.22%)225 (49.34%)
Increased1 (2.78%)5 (1.10%)
Decreased27 (75%)226 (49.56%)

Lymphocyte percentage (20-50%)Mean6.6 (3.38-23.8)24.15 (16.7-32.4)<0.001
Normal9 (25%)289 (63.40%)
Increased2 (5.56%)4 (0.88%)
Decreased25 (69.44%)163 (35.75%)

Neutrophils (×109 per L; normal range 1.8–6.3)Mean7.64 (3.61-15.24)3.2 (2.31-4.47)<0.001
Normal15 (41.67%)354 (77.63%)
Increased18 (50%)47 (10.31%)
Decreased3 (8.33%)55 (12.06%)

Neutrophil percentage (40-75%)Mean87.95 (67.83-92.55)65.6 (56.93-74.28)<0.001
Normal10 (27.78%)337 (73.90%)
Increased24 (66.67%)111 (24.34%)
Decreased2 (5.56%)8 (1.75%)

PCT (ng/L)Mean0.29 (0.07-1.66)0.04 (0.02-0.07)<0.001
<0.526 (72.22%)440 (96.49%)
0.5-25 (13.89%)11 (2.41%)
2-105 (13.89%)4 (0.88%)
≥100.001 (0.22%)

CRP (mg/L)Mean45.97 (15.98-107.73)15.9 (3.61-49.23)<0.001
0-108 (22.22%)182 (39.91%)
10-255 (13.89%)85 (18.64%)
25-507 (19.44%)77 (16.89%)
50-1006 (16.67%)78 (17.11%)
≥10010 (27.78%)34 (7.46%)

Data are median (IQR), or (%), where is the total number of patients with available data. values comparing patients with AKI and without AKI are from chi-square or Mann–Whitney test. SARS-CoV-2 = 2019 novel coronavirus; AKI = acute kidney injury; PCT = procalcitonin; CRP = C-reactive protein.