Table 2.
Radiologic and Laboratory Findings of MHD Patients With or Without SARS-CoV-2 Infection
| Findings | Total (N = 1,027) | Patients Without Infection (n = 928) | Patients With Infection (n = 99) | P |
|---|---|---|---|---|
| Radiologic Findings | ||||
| CT image features | ||||
| Ground-glass/patchy opacity | 131/720 (18.2%) | 72/623 (11.6%) | 59/97 (61%) | <0.001a,b |
| Fibrosis | 104/720 (14.4%) | 88/623 (14.1%) | 16/97 (16%) | 0.5b |
| Consolidation | 23/720 (3.2%) | 21/623 (3.4%) | 2/97 (2%) | 0.7c |
| Others | 104/720 (14.4%) | 94/623 (15.1%) | 10/97 (10%) | 0.2b |
| Normal | 360/720 (50.0%) | 348/623 (55.9%) | 12/97 (12%) | <0.001a,b |
| Lesion region | 0.07c | |||
| Bilateral lung | 230/351 (65.5%) | 169/271 (62.4%) | 61/80 (76%) | |
| Left lung | 59/351 (16.8%) | 49/271 (18.1%) | 10/80 (13%) | |
| Right lung | 62/351 (17.7%) | 53/271 (19.6%) | 9/80 (11%) | |
| Laboratory Findings | ||||
| Hemoglobin, g/dL | 10.3 [8.7-11.5] | 10.3 [8.7-11.5] | 10.2 [8.5-11.3] | 0.3d |
| Platelets, ×103/μL | 160 [125-203] | 160 [126-203] | 161 [117-200] | 0.8d |
| Leukocytes, /μL | 5,500 [4,500-6,990] | 5,570 [4,535-7,030] | 4,900 [4,040-6,510] | 0.002a,d |
| Lymphocytes, /μL | 970 [730-1,260] | 970 [740-1,260] | 860 [660-1,150] | 0.01a,d |
| Absolute lymphocyte count < 1,000/μL | 476/896 (53.1%) | 421/809 (52.0%) | 55/87 (63%) | 0.03a,b |
| Neutrophils, /μL | 3,870 [3,040-5,110] | 3,920 [3,050-5,110] | 3,450 [2,870-4,520] | 0.05d |
| Albumin, g/dL | 3.8 [2.2-4.1] | 3.8 [1.8-4.1] | 3.8 [3.4-4.0] | 0.4d |
| AST, U/L | 11.6 [9.0-16.5] | 11.0 [8.8-16.0] | 13.5 [10.5-20.0] | 0.001a,d |
| ALT, U/L | 8.4 [6.0-13.6] | 8.0 [6.0-13.4] | 10.8 [8.0-14.7] | 0.001a,d |
| Serum phosphorus, mmol/L | 2.2 [1.7-434.6] | 2.2 [1.7-540.9] | 1.9 [1.6-2.7] | 0.1d |
| Serum calcium, mmol/L | 2.3 [2.1-15.1] | 2.3 [2.1-15.9] | 2.2 [2.0-2.4] | 0.02a,d |
| CRP, mg/L | 1.4 [0.5-164.3] | 1.4 [0.5-168.2] | 2.0 [1.0-5.4] | 0.3d |
| D-Dimer, mg/L | 2.1 [1.5-4.6] | 2.1 [1.4-3.5] | 5.6 [2.2-30.1] | <0.001a,d |
Note: Values for categorical variables given as n/N (percentage); for continuous variables, as median [interquartile range]. Reference range for CRP, 0 to 4 mg/L; for D-dimer, 0 to 0.5 mg/L.
Abbreviations: ALT, alanine aminotransferase; AST, aspartate aminotransferase; CRP, C-reactive protein; CT, computed tomography; MHD, maintenance hemodialysis.
P values were calculated using dMann-Whitney U test for continuous variables and bPearson χ2 test, ccontinuity correction χ2 test for categorical variables; denoted astatistically significant if P < 0.05.