Table 2.

Clinical and virologic characteristics of 50 BMT patients evaluated for HC

Virologic and laboratory parametersClinical presentation
No HCHC
BK viruria (median genome copies/d)    
 Free urine    
  Peak* 2.2 × 108 2 × 1012 P< .001 
  Total 3.5 × 109 3.9 × 1013 P< .001 
  Prior to HC 3.5 × 109 1.2 × 1013 P< .001 
  Mean daily prior to HC2-153 8.0 × 107 5.5 × 1011 P< .001 
 Urinary sediment    
  Peak* 5.7 × 107 6 × 1012 P< .001 
  Total 7.7 × 108 4.9 × 1013 P< .001 
  Prior to HC 7.7 × 108 8.6 × 1012 P< .001 
  Mean daily prior to HC 2.3 × 107 5.3 × 1011 P< .001 
BK viremia    
 Median copies/mL 2.8 × 104 3.8 × 104 P= NS 
ADV viruria (median genome copies/d)    
 Free urine 2.2 × 107 7.5 × 107 P= NS 
 Urinary sediments 8.3 × 105 8.6 × 105 P= NS 
ADV viremia    
 Median genome copies/mL 2.7 × 104 3.3 × 104 P= NS 
Serum creatinine (μmol/L)2-155    
 Median (range) 81 (50-129) 73 (53-171) P = NS 
Virologic and laboratory parametersClinical presentation
No HCHC
BK viruria (median genome copies/d)    
 Free urine    
  Peak* 2.2 × 108 2 × 1012 P< .001 
  Total 3.5 × 109 3.9 × 1013 P< .001 
  Prior to HC 3.5 × 109 1.2 × 1013 P< .001 
  Mean daily prior to HC2-153 8.0 × 107 5.5 × 1011 P< .001 
 Urinary sediment    
  Peak* 5.7 × 107 6 × 1012 P< .001 
  Total 7.7 × 108 4.9 × 1013 P< .001 
  Prior to HC 7.7 × 108 8.6 × 1012 P< .001 
  Mean daily prior to HC 2.3 × 107 5.3 × 1011 P< .001 
BK viremia    
 Median copies/mL 2.8 × 104 3.8 × 104 P= NS 
ADV viruria (median genome copies/d)    
 Free urine 2.2 × 107 7.5 × 107 P= NS 
 Urinary sediments 8.3 × 105 8.6 × 105 P= NS 
ADV viremia    
 Median genome copies/mL 2.7 × 104 3.3 × 104 P= NS 
Serum creatinine (μmol/L)2-155    
 Median (range) 81 (50-129) 73 (53-171) P = NS 
No HCHC = grade 1HC ≥ grade 2
BK viruria (median genome copies/d)     
 Peak 5.7 × 107 1.1 × 1012 1.4 × 1013 P< .0012-154 
 Total 7.7 × 108 3.9 × 1012 2.5 × 1014 P< .0012-154 
 Viruria prior to HC 7.7 × 108 1.4 × 1011 2.1 × 1013 P< .0012-154 
Number of patients     
 Daily viruria > 1010/d  6  
 Daily viruria < 1010/d 24  
No HCHC = grade 1HC ≥ grade 2
BK viruria (median genome copies/d)     
 Peak 5.7 × 107 1.1 × 1012 1.4 × 1013 P< .0012-154 
 Total 7.7 × 108 3.9 × 1012 2.5 × 1014 P< .0012-154 
 Viruria prior to HC 7.7 × 108 1.4 × 1011 2.1 × 1013 P< .0012-154 
Number of patients     
 Daily viruria > 1010/d  6  
 Daily viruria < 1010/d 24  
*

At the day of peaking of BK viruria; total is total viruria during BMT period.

Mann-Whitney test, with NS indicating not significant.

In HC patients, total viruria prior to HC; in non-HC patients, total viruria during BMT.

F2-153

In non-HC patients, calculated by total viruria/total number of samples collected.

F2-155

Highest creatinine during the period of HC or BMT.

F2-154

Kruskal-Wallis test.

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